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Luo J, Feng Y, Hong Z, Yin M, Zheng H, Zhang L, Hu X. High-frequency repetitive transcranial magnetic stimulation promotes neural stem cell proliferation after ischemic stroke. Neural Regen Res 2024; 19:1772-1780. [PMID: 38103244 PMCID: PMC10960276 DOI: 10.4103/1673-5374.389303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 07/14/2023] [Accepted: 09/18/2023] [Indexed: 12/18/2023] Open
Abstract
JOURNAL/nrgr/04.03/01300535-202408000-00031/figure1/v/2023-12-16T180322Z/r/image-tiff Proliferation of neural stem cells is crucial for promoting neuronal regeneration and repairing cerebral infarction damage. Transcranial magnetic stimulation (TMS) has recently emerged as a tool for inducing endogenous neural stem cell regeneration, but its underlying mechanisms remain unclear. In this study, we found that repetitive TMS effectively promotes the proliferation of oxygen-glucose deprived neural stem cells. Additionally, repetitive TMS reduced the volume of cerebral infarction in a rat model of ischemic stroke caused by middle cerebral artery occlusion, improved rat cognitive function, and promoted the proliferation of neural stem cells in the ischemic penumbra. RNA-sequencing found that repetitive TMS activated the Wnt signaling pathway in the ischemic penumbra of rats with cerebral ischemia. Furthermore, PCR analysis revealed that repetitive TMS promoted AKT phosphorylation, leading to an increase in mRNA levels of cell cycle-related proteins such as Cdk2 and Cdk4. This effect was also associated with activation of the glycogen synthase kinase 3β/β-catenin signaling pathway, which ultimately promotes the proliferation of neural stem cells. Subsequently, we validated the effect of repetitive TMS on AKT phosphorylation. We found that repetitive TMS promoted Ca2+ influx into neural stem cells by activating the P2 calcium channel/calmodulin pathway, thereby promoting AKT phosphorylation and activating the glycogen synthase kinase 3β/β-catenin pathway. These findings indicate that repetitive TMS can promote the proliferation of endogenous neural stem cells through a Ca2+ influx-dependent phosphorylated AKT/glycogen synthase kinase 3β/β-catenin signaling pathway. This study has produced pioneering results on the intrinsic mechanism of repetitive TMS to promote neural function recovery after ischemic stroke. These results provide a strong scientific foundation for the clinical application of repetitive TMS. Moreover, repetitive TMS treatment may not only be an efficient and potential approach to support neurogenesis for further therapeutic applications, but also provide an effective platform for the expansion of neural stem cells.
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Affiliation(s)
- Jing Luo
- Department of Rehabilitation Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Yuan Feng
- Department of Hepatobiliary Surgery, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Zhongqiu Hong
- Department of Rehabilitation Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Mingyu Yin
- Department of Rehabilitation Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Haiqing Zheng
- Department of Rehabilitation Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Liying Zhang
- Department of Rehabilitation Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Xiquan Hu
- Department of Rehabilitation Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China
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2
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Xiang Z, He S, Chen R, Liu S, Liu M, Xu L, Zheng J, Jiang Z, Ma L, Sun Y, Qin Y, Chen Y, Li W, Wang X, Chen G, Lei W. Two-photon live imaging of direct glia-to-neuron conversion in the mouse cortex. Neural Regen Res 2024; 19:1781-1788. [PMID: 38103245 PMCID: PMC10960291 DOI: 10.4103/1673-5374.386401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 08/23/2023] [Accepted: 09/26/2023] [Indexed: 12/18/2023] Open
Abstract
JOURNAL/nrgr/04.03/01300535-202408000-00032/figure1/v/2023-12-16T180322Z/r/image-tiff Over the past decade, a growing number of studies have reported transcription factor-based in situ reprogramming that can directly convert endogenous glial cells into functional neurons as an alternative approach for neuroregeneration in the adult mammalian central nervous system. However, many questions remain regarding how a terminally differentiated glial cell can transform into a delicate neuron that forms part of the intricate brain circuitry. In addition, concerns have recently been raised around the absence of astrocyte-to-neuron conversion in astrocytic lineage-tracing mice. In this study, we employed repetitive two-photon imaging to continuously capture the in situ astrocyte-to-neuron conversion process following ectopic expression of the neural transcription factor NeuroD1 in both proliferating reactive astrocytes and lineage-traced astrocytes in the mouse cortex. Time-lapse imaging over several weeks revealed the step-by-step transition from a typical astrocyte with numerous short, tapered branches to a typical neuron with a few long neurites and dynamic growth cones that actively explored the local environment. In addition, these lineage-converting cells were able to migrate radially or tangentially to relocate to suitable positions. Furthermore, two-photon Ca2+ imaging and patch-clamp recordings confirmed that the newly generated neurons exhibited synchronous calcium signals, repetitive action potentials, and spontaneous synaptic responses, suggesting that they had made functional synaptic connections within local neural circuits. In conclusion, we directly visualized the step-by-step lineage conversion process from astrocytes to functional neurons in vivo and unambiguously demonstrated that adult mammalian brains are highly plastic with respect to their potential for neuroregeneration and neural circuit reconstruction.
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Affiliation(s)
- Zongqin Xiang
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration (GHMICR), Jinan University, Guangzhou, Guangdong Province, China
- Department of Neurosurgery, The First Affiliated Hospital, Jinan University, Guangzhou, Guangdong Province, China
- Laboratory for Neuroimmunology in Health and Diseases, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong Province, China
| | - Shu He
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration (GHMICR), Jinan University, Guangzhou, Guangdong Province, China
| | - Rongjie Chen
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration (GHMICR), Jinan University, Guangzhou, Guangdong Province, China
| | - Shanggong Liu
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration (GHMICR), Jinan University, Guangzhou, Guangdong Province, China
| | - Minhui Liu
- VIB-KU Leuven Center for Brain & Disease Research, Leuven, Flemish Region, Belgium
| | - Liang Xu
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration (GHMICR), Jinan University, Guangzhou, Guangdong Province, China
| | - Jiajun Zheng
- Department of Neurosurgery, The First Affiliated Hospital, Jinan University, Guangzhou, Guangdong Province, China
| | - Zhouquan Jiang
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration (GHMICR), Jinan University, Guangzhou, Guangdong Province, China
| | - Long Ma
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration (GHMICR), Jinan University, Guangzhou, Guangdong Province, China
| | - Ying Sun
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration (GHMICR), Jinan University, Guangzhou, Guangdong Province, China
| | - Yongpeng Qin
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration (GHMICR), Jinan University, Guangzhou, Guangdong Province, China
| | - Yi Chen
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration (GHMICR), Jinan University, Guangzhou, Guangdong Province, China
| | - Wen Li
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration (GHMICR), Jinan University, Guangzhou, Guangdong Province, China
| | - Xiangyu Wang
- Department of Neurosurgery, The First Affiliated Hospital, Jinan University, Guangzhou, Guangdong Province, China
| | - Gong Chen
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration (GHMICR), Jinan University, Guangzhou, Guangdong Province, China
| | - Wenliang Lei
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration (GHMICR), Jinan University, Guangzhou, Guangdong Province, China
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Zhong Y, Wang G, Yang S, Zhang Y, Wang X. The role of DNA damage in neural stem cells ageing. J Cell Physiol 2024; 239:e31187. [PMID: 38219047 DOI: 10.1002/jcp.31187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 11/17/2023] [Accepted: 12/20/2023] [Indexed: 01/15/2024]
Abstract
Neural stem cells (NSCs) are pluripotent stem cells with the potential to differentiate into a variety of nerve cells. NSCs are susceptible to both intracellular and extracellular insults, thus causing DNA damage. Extracellular insults include ultraviolet, ionizing radiation, base analogs, modifiers, alkyl agents and others, while intracellular factors include Reactive oxygen species (ROS) radicals produced by mitochondria, mismatches that occur during DNA replication, deamination of bases, loss of bases, and more. When encountered with DNA damage, cells typically employ three coping strategies: DNA repair, damage tolerance, and apoptosis. NSCs, like many other stem cells, have the ability to divide, differentiate, and repair DNA damage to prevent mutations from being passed down to the next generation. However, when DNA damage accumulates over time, it will lead to a series of alterations in the metabolism of cells, which will cause cellular ageing. The ageing and exhaustion of neural stem cell will have serious effects on the body, such as neurodegenerative diseases. The purpose of this review is to examine the processes by which DNA damage leads to NSCs ageing and the mechanisms of DNA repair in NSCs.
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Affiliation(s)
- Yiming Zhong
- School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Guangming Wang
- School of Medicine, Postdoctoral Station of Clinical Medicine, Shanghai Tongji Hospital, Tongji University, Shanghai, China
| | - Shangzhi Yang
- School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Yang Zhang
- Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Xianli Wang
- School of Public Health, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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4
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Yang L, Liu SC, Liu YY, Zhu FQ, Xiong MJ, Hu DX, Zhang WJ. Therapeutic role of neural stem cells in neurological diseases. Front Bioeng Biotechnol 2024; 12:1329712. [PMID: 38515621 PMCID: PMC10955145 DOI: 10.3389/fbioe.2024.1329712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 02/12/2024] [Indexed: 03/23/2024] Open
Abstract
The failure of endogenous repair is the main feature of neurological diseases that cannot recover the damaged tissue and the resulting dysfunction. Currently, the range of treatment options for neurological diseases is limited, and the approved drugs are used to treat neurological diseases, but the therapeutic effect is still not ideal. In recent years, different studies have revealed that neural stem cells (NSCs) have made exciting achievements in the treatment of neurological diseases. NSCs have the potential of self-renewal and differentiation, which shows great foreground as the replacement therapy of endogenous cells in neurological diseases, which broadens a new way of cell therapy. The biological functions of NSCs in the repair of nerve injury include neuroprotection, promoting axonal regeneration and remyelination, secretion of neurotrophic factors, immune regulation, and improve the inflammatory microenvironment of nerve injury. All these reveal that NSCs play an important role in improving the progression of neurological diseases. Therefore, it is of great significance to better understand the functional role of NSCs in the treatment of neurological diseases. In view of this, we comprehensively discussed the application and value of NSCs in neurological diseases as well as the existing problems and challenges.
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Affiliation(s)
- Ling Yang
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Nanchang University, Nanchang, Jiangxi, China
- Department of Physical Examination, The Second Affiliated Hospital, Nanchang University, Nanchang, Jiangxi, China
| | - Si-Cheng Liu
- The Second Affiliated Hospital, Nanchang University, Nanchang, Jiangxi, China
| | - Yi-Yi Liu
- The Second Affiliated Hospital, Nanchang University, Nanchang, Jiangxi, China
| | - Fu-Qi Zhu
- The Second Affiliated Hospital, Nanchang University, Nanchang, Jiangxi, China
| | - Mei-Juan Xiong
- The Second Affiliated Hospital, Nanchang University, Nanchang, Jiangxi, China
| | - Dong-Xia Hu
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Nanchang University, Nanchang, Jiangxi, China
| | - Wen-Jun Zhang
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Nanchang University, Nanchang, Jiangxi, China
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Norte-Muñoz M, García-Bernal D, García-Ayuso D, Vidal-Sanz M, Agudo-Barriuso M. Interplay between mesenchymal stromal cells and the immune system after transplantation: implications for advanced cell therapy in the retina. Neural Regen Res 2024; 19:542-547. [PMID: 37721282 PMCID: PMC10581591 DOI: 10.4103/1673-5374.380876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/25/2023] [Accepted: 05/11/2023] [Indexed: 09/19/2023] Open
Abstract
Advanced mesenchymal stromal cell-based therapies for neurodegenerative diseases are widely investigated in preclinical models. Mesenchymal stromal cells are well positioned as therapeutics because they address the underlying mechanisms of neurodegeneration, namely trophic factor deprivation and neuroinflammation. Most studies have focused on the beneficial effects of mesenchymal stromal cell transplantation on neuronal survival or functional improvement. However, little attention has been paid to the interaction between mesenchymal stromal cells and the host immune system due to the immunomodulatory properties of mesenchymal stromal cells and the long-held belief of the immunoprivileged status of the central nervous system. Here, we review the crosstalk between mesenchymal stromal cells and the immune system in general and in the context of the central nervous system, focusing on recent work in the retina and the importance of the type of transplantation.
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Affiliation(s)
- María Norte-Muñoz
- Grupo de Investigación Oftalmología Experimental, Departamento de Oftalmología, Optometría, Otorrinolaringología y Anatomía Patológica, Facultad de Medicina, Universidad de Murcia, Instituto Murciano de Investigación Biosanitaria (IMIB), Campus de Ciencias de la Salud, 30120 Murcia, Spain
| | - David García-Bernal
- Grupo de Investigación Trasplante Hematopoyético y Terapia celular, Departamento de Bioquímica e Inmunología. Facultad de Medicina, Universidad de Murcia, Instituto Murciano de Investigación Biosanitaria (IMIB), Campus de Ciencias de la Salud, 30120 Murcia, Spain
| | - Diego García-Ayuso
- Grupo de Investigación Oftalmología Experimental, Departamento de Oftalmología, Optometría, Otorrinolaringología y Anatomía Patológica, Facultad de Medicina, Universidad de Murcia, Instituto Murciano de Investigación Biosanitaria (IMIB), Campus de Ciencias de la Salud, 30120 Murcia, Spain
| | - Manuel Vidal-Sanz
- Grupo de Investigación Oftalmología Experimental, Departamento de Oftalmología, Optometría, Otorrinolaringología y Anatomía Patológica, Facultad de Medicina, Universidad de Murcia, Instituto Murciano de Investigación Biosanitaria (IMIB), Campus de Ciencias de la Salud, 30120 Murcia, Spain
| | - Marta Agudo-Barriuso
- Grupo de Investigación Oftalmología Experimental, Departamento de Oftalmología, Optometría, Otorrinolaringología y Anatomía Patológica, Facultad de Medicina, Universidad de Murcia, Instituto Murciano de Investigación Biosanitaria (IMIB), Campus de Ciencias de la Salud, 30120 Murcia, Spain
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Rather HA, Almousa S, Craft S, Deep G. Therapeutic efficacy and promise of stem cell-derived extracellular vesicles in Alzheimer's disease and other aging-related disorders. Ageing Res Rev 2023; 92:102088. [PMID: 37827304 PMCID: PMC10842260 DOI: 10.1016/j.arr.2023.102088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 10/01/2023] [Accepted: 10/09/2023] [Indexed: 10/14/2023]
Abstract
The term extracellular vesicles (EVs) refers to a variety of heterogeneous nanovesicles secreted by almost all cell types, primarily for intercellular communication and maintaining cellular homeostasis. The role of EVs has been widely reported in the genesis and progression of multiple pathological conditions, and these vesicles are suggested to serve as 'liquid biopsies'. In addition to their use as biomarkers, EVs secreted by specific cell types, especially with stem cell properties, have shown promise as cell-free nanotherapeutics. Stem cell-derived EVs (SC-EVs) have been increasingly used as an attractive alternative to stem cell therapies and have been reported to promote regeneration of aging-associated tissue loss and function. SC-EVs treatment ameliorates brain and peripheral aging, reproductive dysfunctions and inhibits cellular senescence, thereby reversing several aging-related disorders and dysfunctions. The anti-aging therapeutic potential of SC-EVs depends on multiple factors, including the type of stem cells, the age of the source stem cells, and their physiological state. In this review, we briefly describe studies related to the promising effects of SC-EVs against various aging-related pathologies, and then we focus in-depth on the therapeutic benefits of SC-EVs against Alzheimer's disease, one of the most devastating neurodegenerative diseases in elderly individuals. Numerous studies in transgenic mouse models have reported the usefulness of SC-EVs in targeting the pathological hallmarks of Alzheimer's disease, including amyloid plaques, neurofibrillary tangles, and neuroinflammation, leading to improved neuronal protection, synaptic plasticity, and cognitive measures. Cell culture studies have further identified the underlying molecular mechanisms through which SC-EVs reduce amyloid beta (Aβ) levels or shift microglia phenotype from pro-inflammatory to anti-inflammatory state. Interestingly, multiple routes of administration, including nasal delivery, have confirmed that SC-EVs could cross the blood-brain barrier. Due to this, SC-EVs have also been tested to deliver specific therapeutic cargo molecule/s (e.g., neprilysin) to the brain. Despite these promises, several challenges related to quality control, scalability, and biodistribution remain, hindering the realization of the vast clinical promise of SC-EVs.
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Affiliation(s)
- Hilal Ahmad Rather
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, United States
| | - Sameh Almousa
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, United States
| | - Suzanne Craft
- Department of Internal Medicine-Gerontology and Geriatric Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, United States; Sticht Center for Healthy Aging and Alzheimer's Prevention, Wake Forest University School of Medicine, Winston-Salem, NC, United States
| | - Gagan Deep
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, United States; Sticht Center for Healthy Aging and Alzheimer's Prevention, Wake Forest University School of Medicine, Winston-Salem, NC, United States; Atirum Health Wake Forest Baptist Comprehensive Cancer Center, Wake Forest University School of Medicine, Winston-Salem, NC, United States.
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Haghmorad D, Khaleghian A, Eslami M, Sadeghnejad A, Tarahomi M, Yousefi B. Bone marrow mesenchymal stem cells to ameliorate experimental autoimmune encephalomyelitis via modifying expression patterns of miRNAs. Mol Biol Rep 2023; 50:9971-9984. [PMID: 37897611 DOI: 10.1007/s11033-023-08843-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 09/25/2023] [Indexed: 10/30/2023]
Abstract
INTRODUCTION Clinical and experimental studies highlighted the significant therapeutic role of Mesenchymal stem cells (MSCs) in neurodegenerative diseases. MSCs possess potent immunomodulatory properties by releasing exosomes, which generate a suitable microenvironment. microRNAs (miRNAs), as one of several effective bioactive molecules of exosomes, influence cellular communication and activities in recipient cells. Recent studies revealed that miRNAs could control the progression of multiple sclerosis (MS) via differentiation and function of T helper cells (Th). METHODS Here, we investigated the therapeutic effects of syngeneic-derived BM-MSC in experimental autoimmune encephalomyelitis (EAE) mouse model of MS by evaluating expression profile of miRNAs, pro- and anti-inflammatory in serum and brain tissues. Three-time scheme groups (6th day, 6th & 12th days, and 12th day, of post-EAE induction) were applied to determine the therapeutic effects of intraperitoneally received 1*106 of BM-MSCs. RESULTS The expression levels of mature isoforms of miR-193, miR-146a, miR-155, miR-21, and miR-326 showed that BM-MSCs treatment attenuated the EAE clinical score and reduced clinical inflammation as well as demyelination. The improved neurological functional outcome associated with enhanced expression of miR-193 and miR-146a, but decreased expression levels of miR-155, miR-21, and miR-326 were followed by suppressing effects on Th1/Th17 immune responses (reduced levels of IFN-γand IL-17 cytokine expression) and induction of Treg cells, immunoregulatory responses (increase of IL-10, TGF-β, and IL-4) in treatment groups. CONCLUSION Our findings suggest that BM-MSCs administration might change expression patterns of miRNAs and downstream interactions followed by immune system modulation. However, there is a need to carry out future human clinical trials and complementary experiments.
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Affiliation(s)
- Dariush Haghmorad
- Cancer Research Center, Semnan University of Medical Sciences, Semnan, Iran
- Department of Immunology, Semnan University of Medical Sciences, Semnan, Iran
| | - Ali Khaleghian
- Department of Biochemistry, Faculty of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Majid Eslami
- Department of Bacteriology and Virology, Semnan University of Medical Sciences, Semnan, Iran
| | | | - Mahdieh Tarahomi
- Department of Immunology, Semnan University of Medical Sciences, Semnan, Iran
| | - Bahman Yousefi
- Cancer Research Center, Semnan University of Medical Sciences, Semnan, Iran.
- Department of Immunology, Semnan University of Medical Sciences, Semnan, Iran.
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Ying C, Zhang J, Zhang H, Gao S, Guo X, Lin J, Wu H, Hong Y. Stem cells in central nervous system diseases: Promising therapeutic strategies. Exp Neurol 2023; 369:114543. [PMID: 37743001 DOI: 10.1016/j.expneurol.2023.114543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 09/11/2023] [Accepted: 09/14/2023] [Indexed: 09/26/2023]
Abstract
Central nervous system (CNS) diseases are a leading cause of death and disability. Due to CNS neurons have no self-renewal and regenerative ability as they mature, their loss after injury or disease is irreversible and often leads to functional impairments. Unfortunately, therapeutic options for CNS diseases are still limited, and effective treatments for these notorious diseases are warranted to be explored. At present, stem cell therapy has emerged as a potential therapeutic strategy for improving the prognosis of CNS diseases. Accumulating preclinical and clinical evidences have demonstrated that multiple molecular mechanisms, such as cell replacement, immunoregulation and neurotrophic effect, underlie the use of stem cell therapy for CNS diseases. However, several issues have yet to be addressed to support its clinical application. Thus, this review article aims to summarize the role and underlying mechanisms of stem cell therapy in treating CNS diseases. And it is worthy of further evaluation for the potential therapeutic applications of stem cell treatment in CNS disease.
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Affiliation(s)
- Caidi Ying
- Department of Neurosurgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
| | - Jiahao Zhang
- Department of Neurosurgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
| | - Haocheng Zhang
- Department of Neurosurgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
| | - Shiqi Gao
- Department of Neurosurgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
| | - Xiaoming Guo
- Department of Neurosurgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
| | - Jun Lin
- Department of Neurosurgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
| | - Haijian Wu
- Department of Neurosurgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China.
| | - Yuan Hong
- Department of Neurosurgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China.
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Zhou AK, Jou E, Lu V, Zhang J, Chabra S, Abishek J, Wong E, Zeng X, Guo B. Using Pre-Clinical Studies to Explore the Potential Clinical Uses of Exosomes Secreted from Induced Pluripotent Stem Cell-Derived Mesenchymal Stem cells. Tissue Eng Regen Med 2023; 20:793-809. [PMID: 37651091 PMCID: PMC10519927 DOI: 10.1007/s13770-023-00557-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 05/09/2023] [Accepted: 05/16/2023] [Indexed: 09/01/2023] Open
Abstract
Recent studies of exosomes derived from mesenchymal stem cells (MSCs) have indicated high potential clinical applications in many diseases. However, the limited source of MSCs impedes their clinical research and application. Most recently, induced pluripotent stem cells (iPSCs) have become a promising source of MSCs. Exosome therapy based on iPSC-derived MSCs (iMSCs) is a novel technique with much of its therapeutic potential untapped. Compared to MSCs, iMSCs have proved superior in cell proliferation, immunomodulation, generation of exosomes capable of controlling the microenvironment, and bioactive paracrine factor secretion, while also theoretically eliminating the dependence on immunosuppression drugs. The therapeutic effects of iMSC-derived exosomes are explored in many diseases and are best studied in wound healing, cardiovascular disease, and musculoskeletal pathology. It is pertinent clinicians have a strong understanding of stem cell therapy and the latest advances that will eventually translate into clinical practice. In this review, we discuss the various applications of exosomes derived from iMSCs in clinical medicine.
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Affiliation(s)
- Andrew Kailin Zhou
- Addenbrookes Major Trauma Unit, Department of Trauma And Orthopaedics, Cambridge University Hospitals, Cambridge, UK
- Watford General Hospital, London, UK
| | - Eric Jou
- Addenbrookes Major Trauma Unit, Department of Trauma And Orthopaedics, Cambridge University Hospitals, Cambridge, UK
- School Of Clinical Medicine, University Of Cambridge, Cambridge, UK
| | - Victor Lu
- Addenbrookes Major Trauma Unit, Department of Trauma And Orthopaedics, Cambridge University Hospitals, Cambridge, UK
- School Of Clinical Medicine, University Of Cambridge, Cambridge, UK
| | - James Zhang
- Addenbrookes Major Trauma Unit, Department of Trauma And Orthopaedics, Cambridge University Hospitals, Cambridge, UK
- School Of Clinical Medicine, University Of Cambridge, Cambridge, UK
| | - Shirom Chabra
- School Of Clinical Medicine, University Of Cambridge, Cambridge, UK
| | | | | | - Xianwei Zeng
- Beijing Rehabilitation Hospital Affiliated to National Research Centre for Rehabilitation Technical Aids, Ministry of Civil Affairs of China, Beijing, China.
- Weifang People's Hospital, Weifang City, Shandong Province, China.
| | - Baoqiang Guo
- Department of Life Science, Faculty of Science and Engineering, Manchester Metropolitan University, Manchester, UK.
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Valerio LSA, Carrick FR, Bedoya L, Sreerama S, Sugaya K. Neural Differentiation of Induced Pluripotent Stem Cells for a Xenogeneic Material-Free 3D Neurological Disease Model Neurulation from Pluripotent Cells Using a Human Hydrogel. Curr Issues Mol Biol 2023; 45:4574-4588. [PMID: 37367039 DOI: 10.3390/cimb45060290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 05/14/2023] [Accepted: 05/23/2023] [Indexed: 06/28/2023] Open
Abstract
Alzheimer's Disease (AD) is characterized by synapse and neuronal loss and the accumulation of neurofibrillary tangles and Amyloid β plaques. Despite significant research efforts to understand the late stages of the disease, its etiology remains largely unknown. This is in part because of the imprecise AD models in current use. In addition, little attention has been paid to neural stem cells (NSC), which are the cells responsible for the development and maintenance of brain tissue during an individual's lifespan. Thus, an in vitro 3D human brain tissue model using induced pluripotent stem (iPS) cell-derived neural cells in human physiological conditions may be an excellent alternative to standard models to investigate AD pathology. Following the differentiation process mimicking development, iPS cells can be turned into NSCs and, ultimately, neural cells. During differentiation, the traditionally used xenogeneic products may alter the cells' physiology and prevent accurate disease pathology modeling. Hence, establishing a xenogeneic material-free cell culture and differentiation protocol is essential. This study investigated the differentiation of iPS cells to neural cells using a novel extracellular matrix derived from human platelet lysates (PL Matrix). We compared the stemness properties and differentiation efficacies of iPS cells in a PL matrix against those in a conventional 3D scaffold made of an oncogenic murine-matrix. Using well-defined conditions without xenogeneic material, we successfully expanded and differentiated iPS cells into NSCs via dual-SMAD inhibition, which regulates the BMP and TGF signaling cascades in a manner closer to human conditions. This in vitro, 3D, xenogeneic-free scaffold will enhance the quality of disease modeling for neurodegenerative disease research, and the knowledge produced could be used in developing more effective translational medicine.
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Affiliation(s)
- Luis Sebastian Alexis Valerio
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, FL 32827, USA
- Institute for Scientific Research and Technology Services (INDICASAT), City of Knowledge 0801, Panama
- Department of Biotechnology, Acharya Nagarjuna University, Guntur 522510, India
| | - Frederick Robert Carrick
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, FL 32827, USA
- MGH Institute of Health Professions, Boston, MA 02129, USA
- Centre for Mental Health Research in Association, University of Cambridge, Cambridge CB2 1TN, UK
- Department of Neurology, Carrick Institute, Cape Canaveral, FL 32920, USA
| | - Lina Bedoya
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, FL 32827, USA
| | - Sandeep Sreerama
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, FL 32827, USA
| | - Kiminobu Sugaya
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, FL 32827, USA
- Institute for Scientific Research and Technology Services (INDICASAT), City of Knowledge 0801, Panama
- Department of Biotechnology, Acharya Nagarjuna University, Guntur 522510, India
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11
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Usman Khan M, Cai X, Shen Z, Mekonnen T, Kourmatzis A, Cheng S, Gholizadeh H. Challenges in the Development and Application of Organ-on-Chips for Intranasal Drug Delivery Studies. Pharmaceutics 2023; 15:pharmaceutics15051557. [PMID: 37242799 DOI: 10.3390/pharmaceutics15051557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 05/12/2023] [Accepted: 05/14/2023] [Indexed: 05/28/2023] Open
Abstract
With the growing demand for the development of intranasal (IN) products, such as nasal vaccines, which has been especially highlighted during the COVID-19 pandemic, the lack of novel technologies to accurately test the safety and effectiveness of IN products in vitro so that they can be delivered promptly to the market is critically acknowledged. There have been attempts to manufacture anatomically relevant 3D replicas of the human nasal cavity for in vitro IN drug tests, and a couple of organ-on-chip (OoC) models, which mimic some key features of the nasal mucosa, have been proposed. However, these models are still in their infancy, and have not completely recapitulated the critical characteristics of the human nasal mucosa, including its biological interactions with other organs, to provide a reliable platform for preclinical IN drug tests. While the promising potential of OoCs for drug testing and development is being extensively investigated in recent research, the applicability of this technology for IN drug tests has barely been explored. This review aims to highlight the importance of using OoC models for in vitro IN drug tests and their potential applications in IN drug development by covering the background information on the wide usage of IN drugs and their common side effects where some classical examples of each area are pointed out. Specifically, this review focuses on the major challenges of developing advanced OoC technology and discusses the need to mimic the physiological and anatomical features of the nasal cavity and nasal mucosa, the performance of relevant drug safety assays, as well as the fabrication and operational aspects, with the ultimate goal to highlight the much-needed consensus, to converge the effort of the research community in this area of work.
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Affiliation(s)
| | - Xinyu Cai
- School of Engineering, Macquarie University, Sydney, NSW 2113, Australia
| | - Zhiwei Shen
- School of Engineering, Macquarie University, Sydney, NSW 2113, Australia
| | - Taye Mekonnen
- School of Aerospace, Mechanical and Mechatronic Engineering, The University of Sydney, Sydney, NSW 2006, Australia
| | - Agisilaos Kourmatzis
- School of Aerospace, Mechanical and Mechatronic Engineering, The University of Sydney, Sydney, NSW 2006, Australia
| | - Shaokoon Cheng
- School of Engineering, Macquarie University, Sydney, NSW 2113, Australia
| | - Hanieh Gholizadeh
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
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12
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Fitzgerald GS, Chuchta TG, McNay EC. Insulin‐like growth factor‐2 is a promising candidate for the treatment and prevention of Alzheimer's disease. CNS Neurosci Ther 2023; 29:1449-1469. [PMID: 36971212 PMCID: PMC10173726 DOI: 10.1111/cns.14160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 02/06/2023] [Accepted: 02/22/2023] [Indexed: 03/29/2023] Open
Abstract
Alzheimer's disease (AD) is the most common form of dementia. Current AD treatments slow the rate of cognitive decline, but do not restore lost function. One reason for the low efficacy of current treatments is that they fail to target neurotrophic processes, which are thought to be essential for functional recovery. Bolstering neurotrophic processes may also be a viable strategy for preventative treatment, since structural losses are thought to underlie cognitive decline in AD. The challenge of identifying presymptomatic patients who might benefit from preventative treatment means that any such treatment must meet a high standard of safety and tolerability. The neurotrophic peptide insulin-like growth factor-2 (IGF2) is a promising candidate for both treating and preventing AD-induced cognitive decline. Brain IGF2 expression declines in AD patients. In rodent models of AD, exogenous IGF2 modulates multiple aspects of AD pathology, resulting in (1) improved cognitive function; (2) stimulation of neurogenesis and synaptogenesis; and, (3) neuroprotection against cholinergic dysfunction and beta amyloid-induced neurotoxicity. Preclinical evidence suggests that IGF2 is likely to be safe and tolerable at therapeutic doses. In the preventative treatment context, the intranasal route of administration is likely to be the preferred method for achieving the therapeutic effect without risking adverse side effects. For patients already experiencing AD dementia, routes of administration that deliver IGF2 directly access the CNS may be necessary. Finally, we discuss several strategies for improving the translational validity of animal models used to study the therapeutic potential of IGF2.
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Affiliation(s)
| | | | - E C McNay
- University at Albany, Albany, New York, USA
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13
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Secondary Structure in Amyloids in Relation to Their Wild Type Forms. Int J Mol Sci 2022; 24:ijms24010154. [PMID: 36613597 PMCID: PMC9820225 DOI: 10.3390/ijms24010154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 12/09/2022] [Accepted: 12/19/2022] [Indexed: 12/24/2022] Open
Abstract
The amyloid structures and their wild type forms, available in the PDB database, provide the basis for comparative analyses. Globular proteins are characterised by a 3D spatial structure, while a chain in any amyloid fibril has a 2D structure. Another difference lies in the structuring of the hydrogen bond network. Amyloid forms theoretically engage all the NH and C=O groups of the peptide bonds in a chain with two hydrogen bonds each. In addition, the hydrogen bond network is highly ordered-as perpendicular to the plane of the chain. The β-structure segments provide the hydrogen bond system with an anti-parallel system. The folds appearing in the rectilinear propagation of the segment with the β-structure are caused by just by one of the residues in the sequence-residues with a Rα-helical or Lα-helical conformation. The antiparallel system of the hydrogen bonds in the β-structure sections at the site of the amino acid with a Rα- or Lα-helical conformation changes into a parallel system locally. This system also ensures that the involvement of the C=O and H-N groups in the construction of the interchain hydrogen bond, while maintaining a perpendicular orientation towards the plane of the chain. Conformational analysis at the level of the Phi and Psi angles indicates the presence of the conditions for the structures observed in the amyloids. The specificity of amyloid structures with the dominant conformation expressed as |Psi| = |Phi| reveals the system of organisation present in amyloid fibrils. The Phi, Psi angles, as present in this particular structure, transformed to form |Psi| = |Phi| appear to be ordered co-linearly. Therefore, the calculation of the correlation coefficient may express the distribution around this idealised localisation on the Ramachandran map. Additionally, when the outstanding points are eliminated, the part of amyloid chain can be classified as fulfilling the defined conditions. In addition, the presentation of the chain structure using geometric parameters, V-angle-the angle between the planes of the adjacent peptide bonds (angle versus the virtual axis Cα-Cα) and the radius of the curvature R, depending on the size of the angle V, allows for a quantitative assessment of changes during amyloid transformation.
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Song H, Kim DI, Abbasi SA, Latifi Gharamaleki N, Kim E, Jin C, Kim S, Hwang J, Kim JY, Chen XZ, Nelson BJ, Pané S, Choi H. Multi-target cell therapy using a magnetoelectric microscale biorobot for targeted delivery and selective differentiation of SH-SY5Y cells via magnetically driven cell stamping. MATERIALS HORIZONS 2022; 9:3031-3038. [PMID: 36129054 PMCID: PMC9704487 DOI: 10.1039/d2mh00693f] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Cell therapy refers to a treatment that involves the delivery of cells or cellular material by means of injection, grafting, or implantation in order to replace damaged tissue and restore its function, or to aid the body in fighting disease. However, limitations include poor targeting delivery and low therapeutic efficacy due to low cell survival. Hence, novel approaches are required to increase cell delivery efficiency and enhance therapeutic efficacy via selective cell differentiation at target areas. Here, we present a stamping magnetoelectric microscale biorobot (SMMB) consisting of neuron-like cell spheroids loaded with magnetoelectric nanoparticles. The SMMB enables not only effective targeted delivery of cells to multiple target areas (via minimally invasive stamping employing magnetic actuation) but also facilitates selective neuronal differentiation via magnetoelectric (ME) stimulation. This ensures rapid colonization and enhances efficacy. SMMBs were fabricated using SH-SY5Y cells. Magnetoelectric nanoparticles for ME stimulation responded to an alternating magnetic field that ensured targeted cell differentiation. Multi-target cell therapy facilitated the targeted delivery and selective differentiation of SH-SY5Y cells to multiple regions using a single SMMB with rotating and alternating magnetic fields for delivery and ME stimulation. This promising tool may overcome the limitations of existing cell therapy for neurodegenerative diseases.
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Affiliation(s)
- Hyunseok Song
- Department of Robotics and Mechatronics Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Republic of Korea.
- DGIST-ETH Microrobotics Research Center, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Republic of Korea
| | - Dong-In Kim
- Department of Robotics and Mechatronics Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Republic of Korea.
- DGIST-ETH Microrobotics Research Center, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Republic of Korea
| | - Sarmad Ahmad Abbasi
- Department of Robotics and Mechatronics Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Republic of Korea.
- DGIST-ETH Microrobotics Research Center, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Republic of Korea
| | - Nader Latifi Gharamaleki
- Department of Robotics and Mechatronics Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Republic of Korea.
- DGIST-ETH Microrobotics Research Center, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Republic of Korea
| | - Eunhee Kim
- IMsystem Co., Ltd., Daegu, Republic of Korea
| | - Chaewon Jin
- Department of Division of Biotechnology, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Republic of Korea
| | - Samhwan Kim
- Brain Science Department, Daegu Gyeongbuk Institute of Science and Technology (DGIST) 711-873, Daegu, South Korea
| | - Junsun Hwang
- Department of Robotics and Mechatronics Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Republic of Korea.
- DGIST-ETH Microrobotics Research Center, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Republic of Korea
| | - Jin-Young Kim
- DGIST-ETH Microrobotics Research Center, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Republic of Korea
- IMsystem Co., Ltd., Daegu, Republic of Korea
| | - Xiang-Zhong Chen
- Institute of Robotics and Intelligent Systems, ETH Zurich, Zurich, CH-8092, Switzerland.
| | - Bradley J Nelson
- Institute of Robotics and Intelligent Systems, ETH Zurich, Zurich, CH-8092, Switzerland.
| | - Salvador Pané
- Institute of Robotics and Intelligent Systems, ETH Zurich, Zurich, CH-8092, Switzerland.
| | - Hongsoo Choi
- Department of Robotics and Mechatronics Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Republic of Korea.
- DGIST-ETH Microrobotics Research Center, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Republic of Korea
- Robotics Research Center, DGIST, Daegu, Republic of Korea
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15
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Toledano-Díaz A, Álvarez MI, Toledano A. The relationships between neuroglial and neuronal changes in Alzheimer's disease, and the related controversies II: gliotherapies and multimodal therapy. J Cent Nerv Syst Dis 2022; 14:11795735221123896. [PMID: 36407561 PMCID: PMC9666878 DOI: 10.1177/11795735221123896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 08/05/2022] [Indexed: 08/30/2023] Open
Abstract
Since the original description of Alzheimer´s disease (AD), research into this condition has mainly focused on assessing the alterations to neurons associated with dementia, and those to the circuits in which they are involved. In most of the studies on human brains and in many models of AD, the glial cells accompanying these neurons undergo concomitant alterations that aggravate the course of neurodegeneration. As a result, these changes to neuroglial cells are now included in all the "pathogenic cascades" described in AD. Accordingly, astrogliosis and microgliosis, the main components of neuroinflammation, have been integrated into all the pathogenic theories of this disease, as discussed in this part of the two-part monograph that follows an accompanying article on gliopathogenesis and glioprotection. This initial reflection verified the implication of alterations to the neuroglia in AD, suggesting that these cells may also represent therapeutic targets to prevent neurodegeneration. In this second part of the monograph, we will analyze the possibilities of acting on glial cells to prevent or treat the neurodegeneration that is the hallmark of AD and other pathologies. Evidence of the potential of different pharmacological, non-pharmacological, cell and gene therapies (widely treated) to prevent or treat this disease is now forthcoming, in most cases as adjuncts to other therapies. A comprehensive AD multimodal therapy is proposed in which neuronal and neuroglial pharmacological treatments are jointly considered, as well as the use of new cell and gene therapies and non-pharmacological therapies that tend to slow down the progress of dementia.
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16
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Guglielmo M, Marta B. Stem Cells and the Microenvironment: Reciprocity with Asymmetry in Regenerative Medicine. Acta Biotheor 2022; 70:24. [PMID: 35962861 DOI: 10.1007/s10441-022-09448-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 07/20/2022] [Accepted: 07/21/2022] [Indexed: 11/29/2022]
Abstract
Much of the current research in regenerative medicine concentrates on stem-cell therapy that exploits the regenerative capacities of stem cells when injected into different types of human tissues. Although new therapeutic paths have been opened up by induced pluripotent cells and human mesenchymal cells, the rate of success is still low and mainly due to the difficulties of managing cell proliferation and differentiation, giving rise to non-controlled stem cell differentiation that ultimately leads to cancer. Despite being still far from becoming a reality, these studies highlight the role of physical and biological constraints (e.g., cues and morphogenetic fields) placed by tissue microenvironment on stem cell fate. This asks for a clarification of the coupling of stem cells and microenvironmental factors in regenerative medicine. We argue that extracellular matrix and stem cells have a causal reciprocal and asymmetric relationship in that the 3D organization and composition of the extracellular matrix establish a spatial, temporal, and mechanical control over the fate of stem cells, which enable them to interact and control (as well as be controlled by) the cellular components and soluble factors of microenvironment. Such an account clarifies the notions of stemness and stem cell regeneration consistently with that of microenvironment.
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Affiliation(s)
- Militello Guglielmo
- IAS-Research Centre, University of the Basque Country, San Sebastián, Spain.
| | - Bertolaso Marta
- University Campus Bio-Medico of Rome, Institute of Scientific and Technological Practice, Rome, Italy
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17
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Ahmad F, Sachdeva P. A consolidated review on stem cell therapy for treatment and management of Alzheimer's disease. Aging Med (Milton) 2022; 5:182-190. [PMID: 36247342 PMCID: PMC9549310 DOI: 10.1002/agm2.12216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Revised: 07/08/2022] [Accepted: 07/11/2022] [Indexed: 11/06/2022] Open
Abstract
Alzheimer's disease (AD) is one of the most common forms of dementia and affects around 50 million people around the globe. AD is diagnosed mainly through imaging techniques and to date only five drugs are approved for management of AD but no promising treatment is available for AD. So in this review, we are focusing on stem cell therapy for AD. This review will cover all stem cells like mesenchymal stem cells, embryonic stem cells, induced pluripotent stem cells, and neural stem cells. Clinical trials of AD have also been discussed. Finally, limitations of stem cells are discussed with ongoing clinical trials, and in the future stem cell therapy can be used for treatment of AD.
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Affiliation(s)
- Faizan Ahmad
- Department of Medical Elementology and Toxicology Jamia Hamdard University Delhi India
| | - Punya Sachdeva
- Amity Institute of Neuropsychology and Neurosciences Amity University Noida Uttar Pradesh India
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18
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Pourhadi M, Zali H, Ghasemi R, Vafaei-Nezhad S. Promising Role of Oral Cavity Mesenchymal Stem Cell-Derived Extracellular Vesicles in Neurodegenerative Diseases. Mol Neurobiol 2022; 59:6125-6140. [PMID: 35867205 DOI: 10.1007/s12035-022-02951-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 06/28/2022] [Indexed: 10/17/2022]
Abstract
Mesenchymal stem cells (MSCs) and mesenchymal stem cell-derived extracellular vesicles (MSC-EVs) have been regarded as the beneficial and available tools to treat various hereditary, multifactorial, acute, and chronic diseases. Mesenchymal stem cells can be extracted from numerous sources for clinical purposes while oral cavity-derived mesenchymal stem cells seem to be more effective in neuroregeneration than other sources due to their similar embryonic origins to neuronal tissues. In various studies and different neurodegenerative diseases (NDs), oral cavity mesenchymal stem cells have been applied to prove their promising capacities in disease improvement. Moreover, oral cavity mesenchymal stem cells' secretion is regarded as a novel and practical approach to neuroregeneration; hence, extracellular vesicles (EVs), especially exosomes, may provide promising results to improve CNS defects. This review article focuses on how oral cavity-derived stem cells and their extracellular vesicles can improve neurodegenerative conditions and tries to show which molecules are involved in the recovery process.
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Affiliation(s)
- Masoumeh Pourhadi
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hakimeh Zali
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Rasoul Ghasemi
- Department of Physiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Saeed Vafaei-Nezhad
- Cellular & Molecular Research Center, Birjand University of Medical Sciences, Birjand, Iran.,Department of Anatomical Sciences, Faculty of Medicine, Birjand University of Medical Sciences, Birjand, Iran
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19
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Li D, Wu Q, Han X. Application of Medial Ganglionic Eminence Cell Transplantation in Diseases Associated With Interneuron Disorders. Front Cell Neurosci 2022; 16:939294. [PMID: 35865112 PMCID: PMC9294455 DOI: 10.3389/fncel.2022.939294] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 06/20/2022] [Indexed: 11/13/2022] Open
Abstract
Excitatory projection neurons and inhibitory interneurons primarily accomplish the neural activity of the cerebral cortex, and an imbalance of excitatory-inhibitory neural networks may lead to neuropsychiatric diseases. Gamma-aminobutyric acid (GABA)ergic interneurons mediate inhibition, and the embryonic medial ganglionic eminence (MGE) is a source of GABAergic interneurons. After transplantation, MGE cells migrate to different brain regions, differentiate into multiple subtypes of GABAergic interneurons, integrate into host neural circuits, enhance synaptic inhibition, and have tremendous application value in diseases associated with interneuron disorders. In the current review, we describe the fate of MGE cells derived into specific interneurons and the related diseases caused by interneuron loss or dysfunction and explore the potential of MGE cell transplantation as a cell-based therapy for a variety of interneuron disorder-related diseases, such as epilepsy, schizophrenia, autism spectrum disorder, and Alzheimer’s disease.
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20
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Toledo ARL, Monroy GR, Salazar FE, Lee JY, Jain S, Yadav H, Borlongan CV. Gut-Brain Axis as a Pathological and Therapeutic Target for Neurodegenerative Disorders. Int J Mol Sci 2022; 23:ijms23031184. [PMID: 35163103 PMCID: PMC8834995 DOI: 10.3390/ijms23031184] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 01/12/2022] [Accepted: 01/13/2022] [Indexed: 02/06/2023] Open
Abstract
Human lifestyle and dietary behaviors contribute to disease onset and progression. Neurodegenerative diseases (NDDs), considered multifactorial disorders, have been associated with changes in the gut microbiome. NDDs display pathologies that alter brain functions with a tendency to worsen over time. NDDs are a worldwide health problem; in the US alone, 12 million Americans will suffer from NDDs by 2030. While etiology may vary, the gut microbiome serves as a key element underlying NDD development and prognosis. In particular, an inflammation-associated microbiome plagues NDDs. Conversely, sequestration of this inflammatory microbiome by a correction in the dysbiotic state of the gut may render therapeutic effects on NDDs. To this end, treatment with short-chain fatty acid-producing bacteria, the main metabolites responsible for maintaining gut homeostasis, ameliorates the inflammatory microbiome. This intimate pathological link between the gut and NDDs suggests that the gut-brain axis (GBA) acts as an underexplored area for developing therapies for NDDs. Traditionally, the classification of NDDs depends on their clinical presentation, mostly manifesting as extrapyramidal and pyramidal movement disorders, with neuropathological evaluation at autopsy as the gold standard for diagnosis. In this review, we highlight the evolving notion that GBA stands as an equally sensitive pathological marker of NDDs, particularly in Alzheimer’s disease, Parkinson’s disease, amyotrophic lateral sclerosis and chronic stroke. Additionally, GBA represents a potent therapeutic target for treating NDDs.
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Affiliation(s)
- Alma Rosa Lezama Toledo
- Center of Excellence for Aging and Brain Repair, Department of Neurosurgery and Brain Repair, Morsani College of Medicine, University of South Florida, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA; (A.R.L.T.); (G.R.M.); (F.E.S.); (J.-Y.L.)
| | - Germán Rivera Monroy
- Center of Excellence for Aging and Brain Repair, Department of Neurosurgery and Brain Repair, Morsani College of Medicine, University of South Florida, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA; (A.R.L.T.); (G.R.M.); (F.E.S.); (J.-Y.L.)
| | - Felipe Esparza Salazar
- Center of Excellence for Aging and Brain Repair, Department of Neurosurgery and Brain Repair, Morsani College of Medicine, University of South Florida, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA; (A.R.L.T.); (G.R.M.); (F.E.S.); (J.-Y.L.)
| | - Jea-Young Lee
- Center of Excellence for Aging and Brain Repair, Department of Neurosurgery and Brain Repair, Morsani College of Medicine, University of South Florida, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA; (A.R.L.T.); (G.R.M.); (F.E.S.); (J.-Y.L.)
| | - Shalini Jain
- Center for Microbiome Research, Department of Neurosurgery and Brain Repair, Morsani College of Medicine, University of South Florida, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA; (S.J.); (H.Y.)
| | - Hariom Yadav
- Center for Microbiome Research, Department of Neurosurgery and Brain Repair, Morsani College of Medicine, University of South Florida, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA; (S.J.); (H.Y.)
| | - Cesario Venturina Borlongan
- Center of Excellence for Aging and Brain Repair, Department of Neurosurgery and Brain Repair, Morsani College of Medicine, University of South Florida, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA; (A.R.L.T.); (G.R.M.); (F.E.S.); (J.-Y.L.)
- Correspondence:
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Abstract
In 2001, the concept of the neurovascular unit was introduced at the Stroke Progress Review Group meeting. The neurovascular unit is an important element of the health and disease status of blood vessels and nerves in the central nervous system. Since then, the neurovascular unit has attracted increasing interest from research teams, who have contributed greatly to the prevention, treatment, and prognosis of stroke and neurodegenerative diseases. However, additional research is needed to establish an efficient, low-cost, and low-energy in vitro model of the neurovascular unit, as well as enable noninvasive observation of neurovascular units in vivo and in vitro. In this review, we first summarize the composition of neurovascular units, then investigate the efficacy of different types of stem cells and cell culture methods in the construction of neurovascular unit models, and finally assess the progress of imaging methods used to observe neurovascular units in recent years and their positive role in the monitoring and investigation of the mechanisms of a variety of central nervous system diseases.
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Affiliation(s)
- Taiwei Dong
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi Province, China
| | - Min Li
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi Province, China
| | - Feng Gao
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi Province, China
| | - Peifeng Wei
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi Province, China
| | - Jian Wang
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Provinve, China
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22
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Dumbleton J, Shamul JG, Jiang B, Agarwal P, Huang H, Jia X, He X. Oxidation and RGD Modification Affect the Early Neural Differentiation of Murine Embryonic Stem Cells Cultured in Core-Shell Alginate Hydrogel Microcapsules. Cells Tissues Organs 2022; 211:294-303. [PMID: 34038907 PMCID: PMC8617071 DOI: 10.1159/000514580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 01/11/2021] [Indexed: 01/03/2023] Open
Abstract
Directed neural differentiation of embryonic stem cells (ESCs) has been studied extensively to improve the treatment of neurodegenerative disorders. This can be done through stromal-cell derived inducing activity (SDIA), by culturing ESCs directly on top of a layer of feeder stromal cells. However, the stem cells usually become mixed with the feeder cells during the differentiation process, making it difficult to obtain a pure population of the differentiated cells for further use. To address this issue, a non-planar microfluidic device is used here to encapsulate murine ESCs (mESCs) in the 3D liquid core of microcapsules with an alginate hydrogel shell of different sizes for early neural differentiation through SDIA, by culturing mESC-laden microcapsules over a feeder layer of PA6 cells. Furthermore, the alginate hydrogel shell of the microcapsules is modified via oxidation or RGD peptide conjugation to examine the mechanical and chemical effects on neural differentiation of the encapsulated mESC aggregates. A higher expression of Nestin is observed in the aggregates encapsulated in small (∼300 μm) microcapsules and cultured over the PA6 cell feeder layer. Furthermore, the modification of the alginate with RGD facilitates early neurite extension within the microcapsules. This study demonstrates that the presence of the RGD peptide, the SDIA effect of the PA6 cells, and the absence of leukemia inhibition factor from the medium can lead to the early differentiation of mESCs with extensive neurites within the 3D microenvironment of the small microcapsules. This is the first study to investigate the effects of cell adhesion and degradation of the encapsulation materials for directed neural differentiation of mESCs. The simple modifications (i.e., oxidation and RGD incorporation) of the miniaturized 3D environment for improved early neural differentiation of mESCs may potentially enhance further downstream differentiation of the mESCs into more specialized neurons for therapeutic use and drug screening.
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Affiliation(s)
- Jenna Dumbleton
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH 43210 (USA)
| | - James G. Shamul
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA
| | - Bin Jiang
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA
| | - Pranay Agarwal
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH 43210 (USA)
| | - Haishui Huang
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH 43210 (USA)
| | - Xiaofeng Jia
- Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Xiaoming He
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH 43210 (USA),Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA,Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland, Baltimore, MD 21201, USA,Robert E. Fischell Institute for Biomedical Devices, University of Maryland, College Park, MD 20742, USA,Correspondence should be addressed to: Xiaoming He, Ph.D., Fishell Department of Bioengineering, University of Maryland, 8278 Paint Branch Drive, College Park, MD 20742, Phone: 301-405-7946,
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23
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Li W, Wang SS, Shan BQ, Qin JB, Zhao HY, Tian ML, He H, Cheng X, Zhang XH, Jin GH. miR-103-3p targets Ndel1 to regulate neural stem cell proliferation and differentiation. Neural Regen Res 2022; 17:401-408. [PMID: 34269216 PMCID: PMC8463973 DOI: 10.4103/1673-5374.317987] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
The regulation of adult neural stem cells (NSCs) is critical for lifelong neurogenesis. MicroRNAs (miRNAs) are a type of small, endogenous RNAs that regulate gene expression post-transcriptionally and influence signaling networks responsible for several cellular processes. In this study, miR-103-3p was transfected into neural stem cells derived from embryonic hippocampal neural stem cells. The results showed that miR-103-3p suppressed neural stem cell proliferation and differentiation, and promoted apoptosis. In addition, miR-103-3p negatively regulated NudE neurodevelopment protein 1-like 1 (Ndel1) expression by binding to the 3' untranslated region of Ndel1. Transduction of neural stem cells with a lentiviral vector overexpressing Ndel1 significantly increased cell proliferation and differentiation, decreased neural stem cell apoptosis, and decreased protein expression levels of Wnt3a, β-catenin, phosphor-GSK-3β, LEF1, c-myc, c-Jun, and cyclin D1, all members of the Wnt/β-catenin signaling pathway. These findings suggest that Ndel1 is a novel miR-103-3p target and that miR-103-3p acts by suppressing neural stem cell proliferation and promoting apoptosis and differentiation. This study was approved by the Animal Ethics Committee of Nantong University, China (approval No. 20200826-003) on August 26, 2020.
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Affiliation(s)
- Wen Li
- Department of Human Anatomy, Institute of Neurobiology, Nantong University; Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education; Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, China
| | - Shan-Shan Wang
- Department of Human Anatomy, Institute of Neurobiology, Nantong University; Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education; Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, China
| | - Bo-Quan Shan
- Department of Human Anatomy, Institute of Neurobiology, Nantong University; Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education; Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, China
| | - Jian-Bing Qin
- Department of Human Anatomy, Institute of Neurobiology, Nantong University; Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education; Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, China
| | - He-Yan Zhao
- Department of Human Anatomy, Institute of Neurobiology, Nantong University; Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education; Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, China
| | - Mei-Ling Tian
- Department of Human Anatomy, Institute of Neurobiology, Nantong University; Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education; Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, China
| | - Hui He
- Department of Human Anatomy, Institute of Neurobiology, Nantong University; Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education; Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, China
| | - Xiang Cheng
- Department of Human Anatomy, Institute of Neurobiology, Nantong University; Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education; Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, China
| | - Xin-Hua Zhang
- Department of Human Anatomy, Institute of Neurobiology, Nantong University; Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education; Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, China
| | - Guo-Hua Jin
- Department of Human Anatomy, Institute of Neurobiology, Nantong University; Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education; Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, China
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24
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Chen B, An J, Guo YS, Tang J, Zhao JJ, Zhang R, Yang H. Tetramethylpyrazine induces the release of BDNF from BM-MSCs through activation of the PI3K/AKT/CREB pathway. Cell Biol Int 2021; 45:2429-2442. [PMID: 34374467 DOI: 10.1002/cbin.11687] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 08/01/2021] [Accepted: 08/07/2021] [Indexed: 12/27/2022]
Abstract
Compelling evidences suggest that transplantation of bone marrow-derived mesenchymal stem cells (BM-MSCs) can be therapeutically effective for central nervous system (CNS) injuries and neurodegenerative diseases. The therapeutic effect of BM-MSCs mainly attributes to their differentiation into neuron-like cells which replace injured and degenerative neurons. Importantly, the neurotrophic factors released from BM-MSCs can also rescue injured and degenerative neurons, which plays a biologically pivotal role in enhancing neuroregeneration and neurological functional recovery. Tetramethylpyrazine (TMP), the main bioactive ingredient extracted from the traditional Chinese medicinal herb Chuanxiong, has been reported to promote the neuronal differentiation of BM-MSCs. This study aimed to investigate whether TMP regulates the release of neurotrophic factors from BM-MSCs. We examined the effect of TMP on brain-derived neurotrophic factor (BDNF) released from BM-MSCs and elucidated the underlying molecular mechanism. Our results demonstrated that TMP at concentrations of lower than 200 μM increased the release of BDNF in a dose-dependent manner. Furthermore, the effect of TMP on increasing the release of BDNF from BM-MSCs was blocked by inhibiting the phosphatidylinositol-4,5-bisphosphate 3-kinase (PI3K)/protein kinase B (AKT)/cAMP-response element binding protein (CREB) pathway. Therefore, we concluded that TMP could induce the release of BDNF from BM-MSCs through activation of the PI3K/AKT/CREB pathway, leading to the formation of neuroprotective and proneurogenic microenvironment. These findings suggest that TMP possesses novel therapeutic potential to promote neuroprotection and neurogenesis through improving the neurotrophic ability of BM-MSCs, which provides a promising nutritional prevention and treatment strategy for CNS injuries and neurodegenerative diseases via the transplantation of TMP-treated BM-MSCs.
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Affiliation(s)
- Bo Chen
- Translational Medicine Center, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Jing An
- Translational Medicine Center, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Yun-Shan Guo
- Department of Spine Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Juan Tang
- Department of Cell Biology, National Translational Science Center for Molecular Medicine, Fourth Military Medical University, Xi'an, China
| | - Jing-Jing Zhao
- Translational Medicine Center, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Rui Zhang
- Translational Medicine Center, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Hao Yang
- Translational Medicine Center, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
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25
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Rahbaran M, Razeghian E, Maashi MS, Jalil AT, Widjaja G, Thangavelu L, Kuznetsova MY, Nasirmoghadas P, Heidari F, Marofi F, Jarahian M. Cloning and Embryo Splitting in Mammalians: Brief History, Methods, and Achievements. Stem Cells Int 2021; 2021:2347506. [PMID: 34887927 PMCID: PMC8651392 DOI: 10.1155/2021/2347506] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 08/01/2021] [Accepted: 11/01/2021] [Indexed: 12/28/2022] Open
Abstract
Embryo splitting is one of the newest developed methods in reproductive biotechnology. In this method, after splitting embryos in 2-, 4-, and even 8-cell stages, every single blastomere can be developed separately, but the embryos are genetically identical. Embryo splitting, as an approach in reproductive cloning, is extensively employed in reproductive medicine studies, such as investigating human diseases, treating sterility, embryo donation, and gene therapy. In the present study, cloning in mammalians and cloning approaches are briefly reviewed. In addition, embryo splitting and the methods commonly used in embryo splitting and recent achievements in this field, as well as the applications of embryo splitting into livestock species, primate animals, and humans, are outlined. Finally, a perspective of embryo splitting is provided as the conclusion.
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Affiliation(s)
- Mohaddeseh Rahbaran
- Animal Biotechnology Department, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Ehsan Razeghian
- Human Genetics Division, Medical Biotechnology Department, National Institute of Genetics Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Marwah Suliman Maashi
- Stem Cells and Regenerative Medicine Unit at King Fahad Medical Research Centre, Jeddah, Saudi Arabia
| | | | | | - Lakshmi Thangavelu
- Department of Pharmacology, Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
| | | | - Pourya Nasirmoghadas
- Department of Medical Biotechnology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Farid Heidari
- Animal Biotechnology Department, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Faroogh Marofi
- Department of Hematology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mostafa Jarahian
- German Cancer Research Center, Toxicology and Chemotherapy Unit (G401), 69120 Heidelberg, Germany
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26
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Catlin JP, Marziali LN, Rein B, Yan Z, Feltri ML, Schaner Tooley CE. Age-related neurodegeneration and cognitive impairments of NRMT1 knockout mice are preceded by misregulation of RB and abnormal neural stem cell development. Cell Death Dis 2021; 12:1014. [PMID: 34711807 PMCID: PMC8553844 DOI: 10.1038/s41419-021-04316-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 10/07/2021] [Accepted: 10/11/2021] [Indexed: 01/02/2023]
Abstract
N-terminal methylation is an important posttranslational modification that regulates protein/DNA interactions and plays a role in many cellular processes, including DNA damage repair, mitosis, and transcriptional regulation. Our generation of a constitutive knockout mouse for the N-terminal methyltransferase NRMT1 demonstrated its loss results in severe developmental abnormalities and premature aging phenotypes. As premature aging is often accompanied by neurodegeneration, we more specifically examined how NRMT1 loss affects neural pathology and cognitive behaviors. Here we find that Nrmt1-/- mice exhibit postnatal enlargement of the lateral ventricles, age-dependent striatal and hippocampal neurodegeneration, memory impairments, and hyperactivity. These morphological and behavior abnormalities are preceded by alterations in neural stem cell (NSC) development. Early expansion and differentiation of the quiescent NSC pool in Nrmt1-/- mice is followed by its subsequent depletion and many of the resulting neurons remain in the cell cycle and ultimately undergo apoptosis. These cell cycle phenotypes are reminiscent to those seen with loss of the NRMT1 target retinoblastoma protein (RB). Accordingly, we find misregulation of RB phosphorylation and degradation in Nrmt1-/- mice, and significant de-repression of RB target genes involved in cell cycle. We also identify novel de-repression of Noxa, an RB target gene that promotes apoptosis. These data identify Nα-methylation as a novel regulatory modification of RB transcriptional repression during neurogenesis and indicate that NRMT1 and RB work together to promote NSC quiescence and prevent neuronal apoptosis.
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Affiliation(s)
- James P Catlin
- Department of Biochemistry, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, NY, 14203, USA
| | - Leandro N Marziali
- Departments of Biochemistry and Neurology, Jacobs School of Medicine and Biomedical Sciences, Hunter James Kelly Research Institute, State University of New York at Buffalo, Buffalo, NY, 14203, USA
| | - Benjamin Rein
- Department of Physiology and Biophysics, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, NY, 14203, USA
| | - Zhen Yan
- Department of Physiology and Biophysics, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, NY, 14203, USA
| | - M Laura Feltri
- Departments of Biochemistry and Neurology, Jacobs School of Medicine and Biomedical Sciences, Hunter James Kelly Research Institute, State University of New York at Buffalo, Buffalo, NY, 14203, USA
| | - Christine E Schaner Tooley
- Department of Biochemistry, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, NY, 14203, USA.
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27
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Biktimirov A, Pak O, Bryukhovetskiy I, Sharma A, Sharma HS. Neuromodulation as a basic platform for neuroprotection and repair after spinal cord injury. PROGRESS IN BRAIN RESEARCH 2021; 266:269-300. [PMID: 34689861 DOI: 10.1016/bs.pbr.2021.06.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Spinal cord injury (SCI) is one of the most challenging medical issues. Spasticity is a major complication of SCI. A combination of spinal cord stimulation, new methods of neuroprotection and biomedical cellular products provides fundamentally new options for SCI treatment and rehabilitation. The paper attempts to critically analyze the effectiveness of using these procedures for patients with SCI, suggesting a protocol for a step-by-step personalized treatment of SCI, based on continuity of modern conservative and surgical methods. The study argues the possibility of using neuromodulation as a basis for rehabilitating patients with SCI.
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Affiliation(s)
- Artur Biktimirov
- Department of Fundamental Medicine, School of Biomedicine, Far Eastern Federal University, Vladivostok, Russia.
| | - Oleg Pak
- Department of Neurosurgery, Medical Center, Far Eastern Federal University, Vladivostok, Russia
| | - Igor Bryukhovetskiy
- Department of Fundamental Medicine, School of Biomedicine, Far Eastern Federal University, Vladivostok, Russia
| | - Aruna Sharma
- International Experimental Central Nervous System Injury & Repair (IECNSIR), Department of Surgical Sciences, Anesthesiology & Intensive Care Medicine, Uppsala University Hospital, Uppsala University, Uppsala, Sweden
| | - Hari Shanker Sharma
- International Experimental Central Nervous System Injury & Repair (IECNSIR), Department of Surgical Sciences, Anesthesiology & Intensive Care Medicine, Uppsala University Hospital, Uppsala University, Uppsala, Sweden.
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28
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Xiong WP, Yao WQ, Wang B, Liu K. BMSCs-exosomes containing GDF-15 alleviated SH-SY5Y cell injury model of Alzheimer's disease via AKT/GSK-3β/β-catenin. Brain Res Bull 2021; 177:92-102. [PMID: 34536520 DOI: 10.1016/j.brainresbull.2021.09.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 08/27/2021] [Accepted: 09/12/2021] [Indexed: 12/18/2022]
Abstract
BACKGROUND Mesenchymal stem cells (MSCs) therapy has great potential for Alzheimer's disease (AD) treatment. Here, we investigated the roles of BMSCs-exosomes containing growth differentiation factor-15 (GDF-15) in regulating SH-SY5Y cell injury in AD. METHODS The SH-SY5Y cell injury model was constructed by treating SH-SY5Y cells with 10 μM Aβ42. GDF-15 expression was assessed using qRT-PCR and western blot. CCK8 assay and flow cytometry assay were employed to elevate cell proliferation and apoptosis, respectively. The expression levels of inflammatory factors (IL-6, IL-1β, TNFα and IL-8) and Aβ42 were detected using ELISA. Besides, the levels of apoptosis-related proteins and AKT pathway-related proteins were determined using western blot. RESULTS Our results displayed that BMSCs-EVs treatment elevated cell viability, while suppressed cell apoptosis and inflammation in Aβ42-treated SH-SY5Y cells. Exosomes secreted by BMSCs after GDF-15 silence lost the ability to restore Aβ42-induced SH-SY5Y cell damage. GDF-15 treatment restored Aβ42-induced SH-SY5Y cell damage, while it was eliminated by AKT pathway inhibition. BMSCs-exosomes containing GDF-15 upregulated NEP and IDE via activation of AKT/GSK-3β/β-catenin pathway, thereby degrading Aβ42 protein to relieve SH-SY5Y cell damage. CONCLUSION BMSCs-exosomes containing GDF-15 alleviated SH-SY5Y cell damage via AKT/GSK-3β/β-catenin. Our work confers a promising therapeutic strategy for AD.
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Affiliation(s)
- Wen-Ping Xiong
- Department of Neurosurgery, Zhongnan Hospital of Wuhan University, No.169, East Lake Road, Wuhan 430071, Hubei Province, PR China
| | - Wei-Qi Yao
- Department of Hematology, Union Hospital, Huazhong University of Science and Technology, Hubei Engineering Research Center for Human Stem Cell Preparation and Application and Resource Conservation, Wuhan 430071, Hubei Province, PR China
| | - Bei Wang
- Department of Neurosurgery, Zhongnan Hospital of Wuhan University, No.169, East Lake Road, Wuhan 430071, Hubei Province, PR China
| | - Kui Liu
- Department of Neurosurgery, Zhongnan Hospital of Wuhan University, No.169, East Lake Road, Wuhan 430071, Hubei Province, PR China.
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29
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Colussi C, Grassi C. Epigenetic regulation of neural stem cells: The emerging role of nucleoporins. STEM CELLS (DAYTON, OHIO) 2021; 39:1601-1614. [PMID: 34399020 PMCID: PMC9290943 DOI: 10.1002/stem.3444] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 07/28/2021] [Indexed: 11/06/2022]
Abstract
Nucleoporins (Nups) are components of the nuclear pore complex that, besides regulating nucleus-cytoplasmic transport, emerged as a hub for chromatin interaction and gene expression modulation. Specifically, Nups act in a dynamic manner both at specific gene level and in the topological organization of chromatin domains. As such, they play a fundamental role during development and determination of stemness/differentiation balance in stem cells. An increasing number of reports indicate the implication of Nups in many central nervous system functions with great impact on neurogenesis, neurophysiology, and neurological disorders. Nevertheless, the role of Nup-mediated epigenetic regulation in embryonic and adult neural stem cells (NSCs) is a field largely unexplored and the comprehension of their mechanisms of action is only beginning to be unveiled. After a brief overview of epigenetic mechanisms, we will present and discuss the emerging role of Nups as new effectors of neuroepigenetics and as dynamic platform for chromatin function with specific reference to the biology of NSCs.
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Affiliation(s)
- Claudia Colussi
- Istituto di Analisi dei Sistemi ed Informatica "Antonio Ruberti" (IASI)-CNR, Rome, Italy
| | - Claudio Grassi
- Department of Neuroscience, Università Cattolica del Sacro Cuore, Rome, Italy.,Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
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30
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Lv M, Zhang S, Jiang B, Cao S, Dong Y, Cao L, Guo S. Adipose-derived stem cells regulate metabolic homeostasis and delay aging by promoting mitophagy. FASEB J 2021; 35:e21709. [PMID: 34143518 DOI: 10.1096/fj.202100332r] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 04/26/2021] [Accepted: 05/17/2021] [Indexed: 12/12/2022]
Abstract
Tissues undergo a process of degeneration as the body ages. Mesenchymal stem cells (MSCs) have been found to have major potential in delaying the aging process in tissues and organs. However, the mechanism underlying the anti-aging effects of MSC is not clear which limits clinical applications. In this study, we used adipose-derived mesenchymal stem cells (ADSCs) to perform anti-aging treatments on senescent cells and progeroid animal models. Following intervention with ADSCs, replicative senescence was delayed and metabolic homeostasis was transformed from catabolism to anabolism. Metabolomic tests were used to analyze different metabolites. We found that ADSCs acted to accelerate mitophagy which eliminated intracellular ROS and improved the quality of mitochondria. These processes acted to regulate the cellular metabolic homeostasis and ultimately delayed the process of aging. Allogeneic stem cell therapy in a Progeria animal model (DNA polymerase gamma (POLG) knockin, mitochondrial dysfunction) also showed that ADSC therapy can improve alopecia and kyphosis by promoting mitophagy. Our research confirms for the first time that allogeneic stem cell therapy can improve aging-related symbols and phenotypes through mitochondrial quality control. These results are highly significant for the future applications of stem cells in aging-related diseases.
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Affiliation(s)
- Mengzhu Lv
- Department of Plastic Surgery, China Medical University the First Hospital, Shenyang, P.R. China
| | - Simeng Zhang
- Department of Medical Oncology, China Medical University the First Hospital, Shenyang, P.R. China
| | - Bo Jiang
- Key Laboratory of Medical Cell Biology, Ministry of Education, Shenyang, P.R. China.,Institute of Translational Medicine, China Medical University, Shenyang, P.R. China.,Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, Shenyang, P.R. China
| | - Sunrun Cao
- Key Laboratory of Medical Cell Biology, Ministry of Education, Shenyang, P.R. China.,Institute of Translational Medicine, China Medical University, Shenyang, P.R. China.,Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, Shenyang, P.R. China
| | - Yuqing Dong
- Department of Plastic Surgery, China Medical University the First Hospital, Shenyang, P.R. China
| | - Liu Cao
- Key Laboratory of Medical Cell Biology, Ministry of Education, Shenyang, P.R. China.,Institute of Translational Medicine, China Medical University, Shenyang, P.R. China.,Liaoning Province Collaborative Innovation Center of Aging Related Disease Diagnosis and Treatment and Prevention, Shenyang, P.R. China
| | - Shu Guo
- Department of Plastic Surgery, China Medical University the First Hospital, Shenyang, P.R. China
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31
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Nisin and non-essential amino acids: new perspective in differentiation of neural progenitors from human-induced pluripotent stem cells in vitro. Hum Cell 2021; 34:1142-1152. [PMID: 33899160 DOI: 10.1007/s13577-021-00537-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Accepted: 04/16/2021] [Indexed: 12/23/2022]
Abstract
Over the past decades, stem cell therapy has been investigated as a promising approach towards various diseases, including neurodegenerative disorders. Stem cells show the capability to differentiate into neuronal progenitor cells in vitro. In the present study, the differentiation potential of human-induced pluripotent stem cells (hiPSCs) into neural lineages was examined under the efficient induction media containing forskolin and 3-isobutyl-1-methyl-xanthine (IBMX) in the presence of nisin (Ni), non-essential amino acids (NEAA) and combination of those (NEAA-Ni) in vitro. The optimum concentrations of these factors were obtained by MTT assay and acridine orange (AO) staining. The effect of Ni and NEAA on the expression rate of neural-specific markers including NSE, MAP2, and ß-tubulin III was studied via immunocytochemistry (ICC) and real-time RT-PCR analyses. Our results indicated that the induction medium containing Ni or NEAA increased the gene and protein expression of NSE, MAP2, and β-tubulin III on the 14th differentiation day. On the other hand, NEAA-Ni showed a less-differentiated hiPSCs compared to Ni and NEAA alone. In conclusion, the obtained results illustrated that Ni and NEAA could be applied as effective factors for neural differentiation of hiPSCs in the future.
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32
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Shu H, Guo Z, Chen X, Qi S, Xiong X, Xia S, Huang Q, Lan L, Gong J, Huang S, Yang B, Tan G. Intracerebral Transplantation of Neural Stem Cells Restores Manganese-Induced Cognitive Deficits in Mice. Aging Dis 2021; 12:371-385. [PMID: 33815871 PMCID: PMC7990353 DOI: 10.14336/ad.2020.0717] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 07/17/2020] [Indexed: 11/15/2022] Open
Abstract
Manganese (Mn) is a potent neurotoxin known to cause long-lasting structural damage and progressive cognitive deficits in the brain. However, new therapeutic approaches are urgently needed since current treatments only target symptoms of Mn exposure. Recent studies have suggested a potential role for multipotent neural stem cells (NSCs) in the etiology of Mn-induced cognitive deficits. In this study, we evaluated the effect of direct intracerebral transplantation of NSCs on cognitive function of mice chronically exposed to MnCl2, and further explored the distribution of transplanted NSCs in brain tissues. NSCs were isolated and bilaterally injected into the hippocampal regions or lateral ventricles of Mn-exposed mice. The results showed that many transplanted cells migrated far away from the injection sites and survived in vivo in the Mn-exposed mouse brain, implying enhanced neurogenesis in the host brain. We found that NSCs transplanted into either the hippocampal regions or the lateral ventricles significantly improved spatial learning and memory function of the Mn-exposed mice in the Morris water maze. Immunofluorescence analyses indicated that some surviving NSCs differentiated into neurons or glial cells, which may have become functionally integrated into the impaired local circuits, providing a possible cellular basis for the improvement of cognitive function in NSC-transplanted mice. Taken together, our findings confirm the Mn-induced impairment of neurogenesis in the brain and underscore the potential of treating Mn exposure by NSC transplantation, providing a practical therapeutic strategy against this type of neurotoxicity.
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Affiliation(s)
- Huijuan Shu
- 1Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education, Guangxi Collaborative Innovation Center for Biomedicine & Guangxi Key Laboratory of Regenerative Medicine, Center for Translational Medicine, Guangxi Medical University, Nanning, Guangxi, China.,2Department of Human Anatomy, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi, China.,3China-ASEAN Research Center for Innovation and Development in Brain Science, Nanning, Guangxi, China
| | - Zhongxin Guo
- 1Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education, Guangxi Collaborative Innovation Center for Biomedicine & Guangxi Key Laboratory of Regenerative Medicine, Center for Translational Medicine, Guangxi Medical University, Nanning, Guangxi, China.,2Department of Human Anatomy, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi, China.,3China-ASEAN Research Center for Innovation and Development in Brain Science, Nanning, Guangxi, China
| | - Xiangren Chen
- 1Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education, Guangxi Collaborative Innovation Center for Biomedicine & Guangxi Key Laboratory of Regenerative Medicine, Center for Translational Medicine, Guangxi Medical University, Nanning, Guangxi, China.,2Department of Human Anatomy, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi, China.,3China-ASEAN Research Center for Innovation and Development in Brain Science, Nanning, Guangxi, China
| | - Shuya Qi
- 1Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education, Guangxi Collaborative Innovation Center for Biomedicine & Guangxi Key Laboratory of Regenerative Medicine, Center for Translational Medicine, Guangxi Medical University, Nanning, Guangxi, China.,2Department of Human Anatomy, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi, China
| | - Xinxin Xiong
- 1Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education, Guangxi Collaborative Innovation Center for Biomedicine & Guangxi Key Laboratory of Regenerative Medicine, Center for Translational Medicine, Guangxi Medical University, Nanning, Guangxi, China.,2Department of Human Anatomy, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi, China
| | - Shuang Xia
- 1Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education, Guangxi Collaborative Innovation Center for Biomedicine & Guangxi Key Laboratory of Regenerative Medicine, Center for Translational Medicine, Guangxi Medical University, Nanning, Guangxi, China.,2Department of Human Anatomy, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi, China.,3China-ASEAN Research Center for Innovation and Development in Brain Science, Nanning, Guangxi, China
| | - Qingyun Huang
- 1Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education, Guangxi Collaborative Innovation Center for Biomedicine & Guangxi Key Laboratory of Regenerative Medicine, Center for Translational Medicine, Guangxi Medical University, Nanning, Guangxi, China.,2Department of Human Anatomy, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi, China
| | - Ling Lan
- 1Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education, Guangxi Collaborative Innovation Center for Biomedicine & Guangxi Key Laboratory of Regenerative Medicine, Center for Translational Medicine, Guangxi Medical University, Nanning, Guangxi, China.,2Department of Human Anatomy, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi, China
| | - Jiangu Gong
- 1Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education, Guangxi Collaborative Innovation Center for Biomedicine & Guangxi Key Laboratory of Regenerative Medicine, Center for Translational Medicine, Guangxi Medical University, Nanning, Guangxi, China.,2Department of Human Anatomy, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi, China
| | - Shaoming Huang
- 1Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education, Guangxi Collaborative Innovation Center for Biomedicine & Guangxi Key Laboratory of Regenerative Medicine, Center for Translational Medicine, Guangxi Medical University, Nanning, Guangxi, China.,2Department of Human Anatomy, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi, China
| | - Boning Yang
- 1Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education, Guangxi Collaborative Innovation Center for Biomedicine & Guangxi Key Laboratory of Regenerative Medicine, Center for Translational Medicine, Guangxi Medical University, Nanning, Guangxi, China.,2Department of Human Anatomy, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi, China
| | - Guohe Tan
- 1Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education, Guangxi Collaborative Innovation Center for Biomedicine & Guangxi Key Laboratory of Regenerative Medicine, Center for Translational Medicine, Guangxi Medical University, Nanning, Guangxi, China.,2Department of Human Anatomy, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi, China.,3China-ASEAN Research Center for Innovation and Development in Brain Science, Nanning, Guangxi, China
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Sun J, Roy S. Gene-based therapies for neurodegenerative diseases. Nat Neurosci 2021; 24:297-311. [PMID: 33526943 PMCID: PMC8394447 DOI: 10.1038/s41593-020-00778-1] [Citation(s) in RCA: 72] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Accepted: 12/15/2020] [Indexed: 02/06/2023]
Abstract
Gene therapy is making a comeback. With its twin promise of targeting disease etiology and 'long-term correction', gene-based therapies (defined here as all forms of genome manipulation) are particularly appealing for neurodegenerative diseases, for which conventional pharmacologic approaches have been largely disappointing. The recent success of a viral-vector-based gene therapy in spinal muscular atrophy-promoting survival and motor function with a single intravenous injection-offers a paradigm for such therapeutic intervention and a platform to build on. Although challenges remain, the newfound optimism largely stems from advances in the development of viral vectors that can diffusely deliver genes throughout the CNS, as well as genome-engineering tools that can manipulate disease pathways in ways that were previously impossible. Surely spinal muscular atrophy cannot be the only neurodegenerative disease amenable to gene therapy, and one can imagine a future in which the toolkit of a clinician will include gene-based therapeutics. The goal of this Review is to highlight advances in the development and application of gene-based therapies for neurodegenerative diseases and offer a prospective look into this emerging arena.
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Affiliation(s)
- Jichao Sun
- Department of Geriatrics, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518020, Guangdong, China
| | - Subhojit Roy
- Department of Pathology, University of California, San Diego, La Jolla, CA,Department of Neurosciences, University of California, San Diego, La Jolla, CA,Correspondence:
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Zhang M, Wang L, Huang S, He X. Exosomes with high level of miR-181c from bone marrow-derived mesenchymal stem cells inhibit inflammation and apoptosis to alleviate spinal cord injury. J Mol Histol 2021; 52:301-311. [PMID: 33548000 DOI: 10.1007/s10735-020-09950-0] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 12/26/2020] [Indexed: 12/21/2022]
Abstract
Stem cell transplantation is a promising method in the treatment of spinal cord injury (SCI). Researches have shown that stem cell-derived exosomes as well as its contents such as microRNAs contribute to the protective effects of stem cell against SCI. However, the effects of exosomes derived from bone marrow stem cells on SCI and the underlying mechanisms remain unknown. In this study, we collected bone marrow stem cells derived exosomes (BMSCs-exo) to deal with SCI rats and LPS induced microglia to explore the possible mechanisms. We found that BMSCs-exo showed significant effects on decreasing pro-inflammatory cytokines as well as increasing Basso-Beattie-Bresnahan score after acute SCI. MicroRNA-181c levels in tissue were elevated with the use of BMSCs-exo. Then we verified the effect in vitro and found that in LPS induced microglia, the administration of BMSCs-exo could inhibit the expression of pro-inflammatory cytokines, and the phosphorylation of NF-κB signal was also suppressed. During which, the expression of microRNA-181c in microglia was elevated. When LPS induced microglia were treated with BMSCs-exo over-expressing microRNA-181c, the levels of pro-inflammatory cytokines decreased. Then bioinformatics techniques were used to detect the possible target gene of microRNA-181c and then PTEN was found as a candidate. Further experiments showed that the protection effects of BMSCs-exo over-expressing microRNA-181c could be antagonized by the elevation of PTEN expression both in vitro and in vivo. In conclusion, we verified that BMSCs-exo could protect against SCI through its content microRNA-181c which suppressed the inflammation in microglia and spinal cord. It was related to the inhibition of PTEN and the suppression of NF-κB signal, and finally decreasing inflammation and apoptosis in spinal cord and improved SCI.
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Affiliation(s)
- Meng Zhang
- Department of Orthopaedics, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710004, Shaanxi Province, China.,Department of Orthopaedics, Ankang Central Hospital of Shaanxi, No.85 Jinzhou South Road, AnKang, 725000, Shaanxi Province, China
| | - Lin Wang
- Department of Orthopaedics, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710004, Shaanxi Province, China
| | - Sihua Huang
- Department of Orthopaedics, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710004, Shaanxi Province, China
| | - Xijing He
- Department of Orthopaedics, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710004, Shaanxi Province, China.
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GanDouLing promotes proliferation and differentiation of neural stem cells in the mouse model of Wilson's disease. Biosci Rep 2021; 41:227101. [PMID: 33300046 PMCID: PMC7786325 DOI: 10.1042/bsr20202717] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Revised: 11/30/2020] [Accepted: 11/30/2020] [Indexed: 01/18/2023] Open
Abstract
Wilson’s disease (WD) is an autosomal recessive disease caused by mutation of the ATPase copper transporting β (ATP7B) gene, resulting in abnormal copper metabolism. We aimed to investigate the protective effect of GanDouLing (GDL) on neural stem cell (NSC) function in a mouse model of WD. NSCs were treated with different concentrations of GDL alone or in combination with penicillamine, following which we evaluated cellular growth, apoptosis, and differentiation. Nuclear factor E2-related factor 2 (Nrf2) pathway and NOD-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome activation were analyzed via Western blotting. Treatment with GDL alone or in combination with penicillamine significantly increased proliferation and inhibited apoptosis of NSCs in a dose-dependent manner. In addition, GDL treatment remarkably promoted differentiation of NSCs. Consistently, levels of class III β-tubulin (Tuj1) and microtubule-associated protein 2 (MAP2) were significantly elevated, whereas glial fibrillary acidic protein (GFAP) levels were obviously suppressed in the presence of GDL or penicillamine. In vivo assays confirmed that GDL increased the ratio of Ki67+, Tuj1+, and MAP2+ cells and suppressed apoptosis in the hippocampal region in WD mice. Behavioral assays revealed that both GDL and penicillamine improved memory ability in WD models. Mechanistically, GDL treatment led to activation of Nrf2 signaling and suppression of the NLRP3 inflammasome in WD mice. Notably, inhibition of Nrf2 signaling reversed the protective effects of GDL on hippocampal NSCs. Collectively, these findings demonstrate that GDL exerts a protective effect on NSCs and promotes neurogenesis by targeting Nrf2 signaling and the NLRP3 inflammasome in WD.
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36
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Stem Cells in Clinical Research and Therapy. Stem Cells 2021. [DOI: 10.1007/978-981-16-1638-9_10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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37
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Research Trends in the Efficacy of Stem Cell Therapy for Hepatic Diseases Based on MicroRNA Profiling. Int J Mol Sci 2020; 22:ijms22010239. [PMID: 33383629 PMCID: PMC7795580 DOI: 10.3390/ijms22010239] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 12/23/2020] [Accepted: 12/25/2020] [Indexed: 02/06/2023] Open
Abstract
Liver diseases, despite the organ’s high regenerative capacity, are caused by several environmental factors and persistent injuries. Their optimal treatment is a liver transplantation. However, this option is limited by donor shortages and immune response issues. Therefore, many researchers have been interested in identifying the therapeutic potential in treating irreversible liver damage based on stem cells and developing suitable therapeutic agents. Mesenchymal stem cells (MSCs), which are representative multipotent stem cells, are known to be highly potential stem cell therapy compared to other stem cells in the clinical trial worldwide. MSCs have therapeutic potentials for several hepatic diseases such as anti-fibrosis, proliferation of hepatocytes injured, anti-inflammation, autophagic mechanism, and inactivation of hepatic stellate cells. There are much data regarding clinical treatments, however, the data for examining the efficacy of stem cell treatment and the correlation between the stem cell engraftment and the efficacy in liver diseases is limited due to the lack of monitoring system for treatment effectiveness. Therefore, this paper introduces the characteristics of microRNAs (miRNAs) and liver disease-specific miRNA profiles, and the possibility of a biomarker that miRNA can monitor stem cell treatment efficacy by comparing miRNAs changed in liver diseases following stem cell treatment. Additionally, we also discuss the miRNA profiling in liver diseases when treated with stem cell therapy and suggest the candidate miRNAs that can be used as a biomarker that can monitor treatment efficacy in liver diseases based on MSCs therapy.
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Kolagar TA, Farzaneh M, Nikkar N, Khoshnam SE. Human Pluripotent Stem Cells in Neurodegenerative Diseases: Potentials, Advances and Limitations. Curr Stem Cell Res Ther 2020; 15:102-110. [PMID: 31441732 DOI: 10.2174/1574888x14666190823142911] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Revised: 06/15/2019] [Accepted: 07/17/2019] [Indexed: 12/14/2022]
Abstract
Neurodegenerative diseases are progressive and uncontrolled gradual loss of motor neurons function or death of neuron cells in the central nervous system (CNS) and the mechanisms underlying their progressive nature remain elusive. There is urgent need to investigate therapeutic strategies and novel treatments for neural regeneration in disorders like Alzheimer's disease (AD), Parkinson's disease (PD), amyotrophic lateral sclerosis (ALS), and multiple sclerosis (MS). Currently, the development and identification of pluripotent stem cells enabling the acquisition of a large number of neural cells in order to improve cell recovery after neurodegenerative disorders. Pluripotent stem cells which consist of embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs) are characterized by their ability to indefinitely self-renew and the capacity to differentiate into different types of cells. The first human ESC lines were established from donated human embryos; while, because of a limited supply of donor embryos, human ESCs derivation remains ethically and politically controversial. Hence, hiPSCs-based therapies have been shown as an effective replacement for human ESCs without embryo destruction. Compared to the invasive methods for derivation of human ESCs, human iPSCs has opened possible to reprogram patient-specific cells by defined factors and with minimally invasive procedures. Human pluripotent stem cells are a good source for cell-based research, cell replacement therapies and disease modeling. To date, hundreds of human ESC and human iPSC lines have been generated with the aim of treating various neurodegenerative diseases. In this review, we have highlighted the recent potentials, advances, and limitations of human pluripotent stem cells for the treatment of neurodegenerative disorders.
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Affiliation(s)
- Tannaz Akbari Kolagar
- Faculty of Biological Sciences, Tehran North Branch, Islamic Azad University, Tehran, Iran
| | - Maryam Farzaneh
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Negin Nikkar
- Department of Biology, Faculty of Sciences, Alzahra University, Tehran, Iran
| | - Seyed Esmaeil Khoshnam
- Physiology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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Gharbi T, Zhang Z, Yang GY. The Function of Astrocyte Mediated Extracellular Vesicles in Central Nervous System Diseases. Front Cell Dev Biol 2020; 8:568889. [PMID: 33178687 PMCID: PMC7593543 DOI: 10.3389/fcell.2020.568889] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 09/24/2020] [Indexed: 12/11/2022] Open
Abstract
Astrocyte activation plays an important role during disease-induced inflammatory response in the brain. Exosomes in the brain could be released from bone marrow (BM)-derived stem cells, neuro stem cells (NSC), mesenchymal stem cells (MSC), etc. We summarized that exosomes release and transport signaling to the target cells, and then produce function. Furthermore, we discussed the pathological interactions between astrocytes and other brain cells, which are related to brain diseases such as stroke, Alzheimer’s disease (AD), Parkinson’s disease (PD), amyotrophic lateral sclerosis (ALS) disease, multiple sclerosis (MS), psychiatric, traumatic brain injury (TBI), etc. We provide up-to-date, comprehensive and valuable information on the involvement of exosomes in brain diseases, which is beneficial for basic researchers and clinical physicians.
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Affiliation(s)
- Tahereh Gharbi
- Shanghai Jiao Tong University Affiliated Sixth People's Hospital, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Zhijun Zhang
- Shanghai Jiao Tong University Affiliated Sixth People's Hospital, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Guo-Yuan Yang
- Shanghai Jiao Tong University Affiliated Sixth People's Hospital, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China
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40
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Sun H, Hu H, Xu X, Tao T, Liang Z. Key miRNAs associated with memory and learning disorder upon exposure to sevoflurane determined by RNA sequencing. Mol Med Rep 2020; 22:1567-1575. [PMID: 32626949 PMCID: PMC7339763 DOI: 10.3892/mmr.2020.11199] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 04/15/2020] [Indexed: 12/12/2022] Open
Abstract
The study aimed to identify differentially expressed microRNAs (miRNAs/miRs) and explore the mechanisms governing impaired memory and learning ability in developing brains exposed to sevoflurane. A total of six 7‑day‑old male ICR mice were randomly assigned into the sevoflurane anesthesia group (treated with 2.4% sevoflurane) or control group (treated with normal saline solution at the same dose). After 14 days, the mice were subjected to a Morris water maze experiment. Then, the animals were sacrificed and hippocampus tissues were isolated. RNAs in hippocampus tissues were sequenced and the differential miRNA expression profiles were identified by a bioinformatics approach. The learning and memory function of mice were significantly affected by sevoflurane exposure. A total of 18 miRNAs were found to be significantly affected by sevoflurane administration. Their target genes clustered into different functional groups, such as 'dephosphorylation', 'vesicle localization' and the 'Wnt signaling pathway'. miR‑101b‑3p was closely related with 'chromatin binding' and 'protein serine/threonine kinase activity'. The most represented pathways for miRNAs included 'neuroactive ligand‑receptor interaction' (miR‑1187), 'long‑term depression' (miR‑425‑5p), 'FoxO signaling pathway' (miR‑425‑5p) and the 'neurotrophin signaling pathway' (miR‑467a‑3p). miR‑467a‑3p (degree=89), miR‑101b‑3p (degree=59), and miR‑1187 (degree=51) were the hub nodes in the miRNA regulatory network. The Wnt signaling pathway, miR‑467a‑3p, miR‑1187 and miR‑101b‑3p may be therapeutic targets for preventing cognitive impairments induced by sevoflurane.
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Affiliation(s)
- Huaqin Sun
- Department of Anesthesiology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, P.R. China
| | - Hongyi Hu
- Department of Anesthesiology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, P.R. China
| | - Xiaoping Xu
- Laboratory Animal Research Center/Institute of Comparative Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Tao Tao
- Department of Anesthesiology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, P.R. China
| | - Zhehao Liang
- Department of Ultrasound, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, P.R. China
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41
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Hanafiah A, Geng Z, Wang Q, Gao Z. Differentiation and Characterization of Neural Progenitors and Neurons from Mouse Embryonic Stem Cells. J Vis Exp 2020. [PMID: 32478755 DOI: 10.3791/61446] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
We describe the step-by-step procedure for culturing and differentiating mouse embryonic stem cells into neuronal lineages, followed by a series of assays to characterize the differentiated cells. The E14 mouse embryonic stem cells were used to form embryoid bodies through the hanging drop method, and then induced to differentiate into neural progenitor cells by retinoic acid, and finally differentiated into neurons. Quantitative reverse transcription polymerase chain reaction (RT-qPCR) and immunofluorescence experiments revealed that the neural progenitors and neurons exhibit corresponding markers (nestin for neural progenitors and neurofilament for neurons) at day 8 and 12 post-differentiation, respectively. Flow cytometry experiments on an E14 line expressing a Sox1 promoter-driven GFP reporter showed that about 60% of cells at day 8 are GFP positive, indicating the successful differentiation of neural progenitor cells at this stage. Finally, RNA-seq analysis was used to profile the global transcriptomic changes. These methods are useful for analyzing the involvement of specific genes and pathways in regulating the cell identity transition during neuronal differentiation.
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Affiliation(s)
- Aflah Hanafiah
- Departments of Biochemistry and Molecular Biology, Penn State College of Medicine, Penn State Hershey Cancer Institute
| | - Zhuangzhuang Geng
- Departments of Biochemistry and Molecular Biology, Penn State College of Medicine, Penn State Hershey Cancer Institute
| | - Qiang Wang
- Departments of Biochemistry and Molecular Biology, Penn State College of Medicine, Penn State Hershey Cancer Institute
| | - Zhonghua Gao
- Departments of Biochemistry and Molecular Biology, Penn State College of Medicine, Penn State Hershey Cancer Institute;
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42
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Rai N, Singh AK, Singh SK, Gaurishankar B, Kamble SC, Mishra P, Kotiya D, Barik S, Atri N, Gautam V. Recent technological advancements in stem cell research for targeted therapeutics. Drug Deliv Transl Res 2020; 10:1147-1169. [DOI: 10.1007/s13346-020-00766-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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43
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Angeloni C, Gatti M, Prata C, Hrelia S, Maraldi T. Role of Mesenchymal Stem Cells in Counteracting Oxidative Stress-Related Neurodegeneration. Int J Mol Sci 2020; 21:ijms21093299. [PMID: 32392722 PMCID: PMC7246730 DOI: 10.3390/ijms21093299] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 04/30/2020] [Accepted: 05/04/2020] [Indexed: 02/07/2023] Open
Abstract
Neurodegenerative diseases include a variety of pathologies such as Alzheimer’s disease, Parkinson’s disease, Huntington’s disease, amyotrophic lateral sclerosis, and so forth, which share many common characteristics such as oxidative stress, glycation, abnormal protein deposition, inflammation, and progressive neuronal loss. The last century has witnessed significant research to identify mechanisms and risk factors contributing to the complex etiopathogenesis of neurodegenerative diseases, such as genetic, vascular/metabolic, and lifestyle-related factors, which often co-occur and interact with each other. Apart from several environmental or genetic factors, in recent years, much evidence hints that impairment in redox homeostasis is a common mechanism in different neurological diseases. However, from a pharmacological perspective, oxidative stress is a difficult target, and antioxidants, the only strategy used so far, have been ineffective or even provoked side effects. In this review, we report an analysis of the recent literature on the role of oxidative stress in Alzheimer’s and Parkinson’s diseases as well as in amyotrophic lateral sclerosis, retinal ganglion cells, and ataxia. Moreover, the contribution of stem cells has been widely explored, looking at their potential in neuronal differentiation and reporting findings on their application in fighting oxidative stress in different neurodegenerative diseases. In particular, the exposure to mesenchymal stem cells or their secretome can be considered as a promising therapeutic strategy to enhance antioxidant capacity and neurotrophin expression while inhibiting pro-inflammatory cytokine secretion, which are common aspects of neurodegenerative pathologies. Further studies are needed to identify a tailored approach for each neurodegenerative disease in order to design more effective stem cell therapeutic strategies to prevent a broad range of neurodegenerative disorders.
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Affiliation(s)
- Cristina Angeloni
- School of Pharmacy, University of Camerino, Via Gentile III da Varano, 62032 Camerino, Italy;
| | - Martina Gatti
- Department of Surgery, Medicine, Dentistry and Morphological Sciences, University of Modena and Reggio Emilia, Via del Pozzo 71, 41124 Modena, Italy; (M.G.); (T.M.)
| | - Cecilia Prata
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum—University of Bologna, Via Irnerio 48, 40126 Bologna, Italy
- Correspondence:
| | - Silvana Hrelia
- Department for Life Quality Studies, Alma Mater Studiorum—University of Bologna, Corso d’Augusto 237, 47921 Rimini, Italy;
| | - Tullia Maraldi
- Department of Surgery, Medicine, Dentistry and Morphological Sciences, University of Modena and Reggio Emilia, Via del Pozzo 71, 41124 Modena, Italy; (M.G.); (T.M.)
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44
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Therapeutic potential of stem cells for treatment of neurodegenerative diseases. Biotechnol Lett 2020; 42:1073-1101. [DOI: 10.1007/s10529-020-02886-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Accepted: 04/05/2020] [Indexed: 12/13/2022]
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45
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Therapeutic Effects of Human Amniotic Epithelial Stem Cells in a Transgenic Mouse Model of Alzheimer's Disease. Int J Mol Sci 2020; 21:ijms21072658. [PMID: 32290355 PMCID: PMC7178120 DOI: 10.3390/ijms21072658] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 04/01/2020] [Accepted: 04/08/2020] [Indexed: 02/07/2023] Open
Abstract
Alzheimer’s disease (AD), a progressive neurodegenerative disorder, is characterized clinically by cognitive decline and pathologically by the development of amyloid plaques. AD is the most common cause of dementia among older people. However, there is currently no cure for AD. In this study, we aimed to elucidate the therapeutic effects of human amniotic epithelial stem cells (hAESCs) in a transgenic mouse model of AD. Tg2576 transgenic (Tg) mice underwent behavioral tests, namely the Morris water maze and Y-maze tests, to assess their cognitive function. In the Morris water maze test, hAESC-treated Tg mice exhibited significantly shorter escape latencies than vehicle-treated Tg mice. In the Y-maze test, hAESC-treated Tg mice exhibited significantly higher rate of spontaneous alteration than vehicle-treated Tg mice, while the total number of arm entries did not differ between the groups. Furthermore, Congo red staining revealed that hAESCs injection reduced the number of amyloid plaques present in the brains of Tg mice. Finally, beta-secretase (BACE) activity was significantly decreased in Tg mice at 60 min after hAESCs injection. In this study, we found that intracerebral injection of hAESCs alleviated cognitive impairment in a Tg2576 mouse model of AD. Our results indicate that hAESCs injection reduced amyloid plaques caused by reduced BACE activity. These results indicate that hAESCs may be a useful therapeutic agent for the treatment of AD-related memory impairment.
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Luo S, Ma C, Zhu MQ, Ju WN, Yang Y, Wang X. Application of Iron Oxide Nanoparticles in the Diagnosis and Treatment of Neurodegenerative Diseases With Emphasis on Alzheimer's Disease. Front Cell Neurosci 2020; 14:21. [PMID: 32184709 PMCID: PMC7058693 DOI: 10.3389/fncel.2020.00021] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2019] [Accepted: 01/24/2020] [Indexed: 12/13/2022] Open
Abstract
Neurodegenerative diseases are characterized by chronic progressive degeneration of the structure and function of the nervous system, which brings an enormous burden on patients, their families, and society. It is difficult to make early diagnosis, resulting from the insidious onset and progressive development of neurodegenerative diseases. The drugs on the market cannot cross the blood-brain barrier (BBB) effectively, which leads to unfavorable prognosis and less effective treatments. Therefore, there is an urgent demand to develop a novel detection method and therapeutic strategies. Recently, nanomedicine has aroused considerable attention for diagnosis and therapy of central nervous system (CNS) diseases. Nanoparticles integrate targeting, imaging, and therapy in one system and facilitate the entry of drug molecules across the blood-brain barrier, offering new hope to patients. In this review, we summarize the application of iron oxide nanoparticles (IONPs) in the diagnosis and treatment of neurodegenerative disease, including Alzheimer's disease (AD), Parkinson's disease (PD), and amyotrophic lateral sclerosis (ALS). We focus on IONPs as magnetic resonance imaging (MRI) contrast agents (CAs) and drug carriers in AD. What most neurodegenerative diseases have in common is that hall marker lesions are represented by protein aggregates (Soto and Pritzkow, 2018). These diseases are of unknown etiology and unfavorable prognosis, and the treatments toward them are less effective (Soto and Pritzkow, 2018). Such diseases usually develop in aged people, and early clinical manifestations are atypical, resulting in difficulty in early diagnosis. Recently, nanomedicine has aroused considerable attention for therapy and diagnosis of CNS diseases because it integrates targeting, imaging, and therapy in one system (Gupta et al., 2019). In this review article, we first introduce the neurodegenerative diseases and commonly used MRI CAs. Then we review the application of IONPs in the diagnosis and treatment of neurodegenerative diseases with the purpose of assisting early theranostics (therapy and diagnosis).
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Affiliation(s)
- Shen Luo
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
- Department of Critical Care Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Chi Ma
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China
| | - Ming-Qin Zhu
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
| | - Wei-Na Ju
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
| | - Yu Yang
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
| | - Xu Wang
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
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Srinageshwar B, Petersen RB, Dunbar GL, Rossignol J. Prion-like mechanisms in neurodegenerative disease: Implications for Huntington's disease therapy. Stem Cells Transl Med 2020; 9:559-566. [PMID: 31997581 PMCID: PMC7180288 DOI: 10.1002/sctm.19-0248] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 01/14/2020] [Indexed: 12/18/2022] Open
Abstract
Huntington's disease (HD) is an autosomal dominant neurodegenerative disorder caused by a CAG repeat expansions in the huntingtin gene resulting in the synthesis of a misfolded form of the huntingtin protein (mHTT) which is toxic. The current treatments for HD are only palliative. Some of the potential therapies for HD include gene therapy (using antisense oligonucleotides and clustered regularly interspaced short palindromic repeats-Cas9 system) and stem-cell-based therapies. Various types of stem cell transplants, such as mesenchymal stem cells, neural stem cells, and reprogrammed stem cells, have the potential to either replace the lost neurons or support the existing neurons by releasing trophic factors. Most of the transplants are xenografts and allografts; however, recent reports on HD patients who received grafts suggest that the mHTT aggregates are transferred from the host neurons to the grafted cells as well as to the surrounding areas of the graft by a "prion-like" mechanism. This observation seems to be true for autotransplantation paradigms, as well. This article reviews the different types of stem cells that have been transplanted into HD patients and their therapeutic efficacy, focusing on the transfer of mHTT from the host cells to the graft. Autotransplants of reprogramed stem cells in HD patients are a promising therapeutic option. However, this needs further attention to ensure a better understanding of the transfer of mHTT aggregates following transplantation of the gene-corrected cells back into the patient.
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Affiliation(s)
- Bhairavi Srinageshwar
- College of Medicine, Central Michigan University, Mount Pleasant, Michigan.,Field Neurosciences Institute Laboratory for Restorative Neurology, Central Michigan University, Mount Pleasant, Michigan.,Program in Neuroscience, Central Michigan University, Mount Pleasant, Michigan
| | - Robert B Petersen
- College of Medicine, Central Michigan University, Mount Pleasant, Michigan.,Program in Neuroscience, Central Michigan University, Mount Pleasant, Michigan
| | - Gary L Dunbar
- Field Neurosciences Institute Laboratory for Restorative Neurology, Central Michigan University, Mount Pleasant, Michigan.,Program in Neuroscience, Central Michigan University, Mount Pleasant, Michigan.,Department of Psychology, Central Michigan University, Mount Pleasant, Michigan.,Field Neurosciences Institute, Saginaw, Michigan
| | - Julien Rossignol
- College of Medicine, Central Michigan University, Mount Pleasant, Michigan.,Field Neurosciences Institute Laboratory for Restorative Neurology, Central Michigan University, Mount Pleasant, Michigan.,Program in Neuroscience, Central Michigan University, Mount Pleasant, Michigan
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Li Y, Mao X, Zhou X, Su Y, Zhou X, Shi K, Zhao S. An optimized method for neuronal differentiation of embryonic stem cells in vitro. J Neurosci Methods 2019; 330:108486. [PMID: 31706928 DOI: 10.1016/j.jneumeth.2019.108486] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 10/11/2019] [Accepted: 10/29/2019] [Indexed: 01/28/2023]
Abstract
BACKGROUND Neural differentiation from embryonic stem cells (ESCs) is an excellent model for elucidating the key mechanisms involved in neurogenesis, and also provides an unlimited source of progenitors for cell-based nerve regeneration. However, the existing protocols such as small molecule substances, 3D matrix, co-culture technique and transgenic method, are complicated and difficult to operate, thus are limited by laboratory conditions. Looking for an easy-to-operate protocol with easily gained material and high induction efficiency has always been a hot issue in neuroscience research. NEW METHODS This paper established an optimized method for embryonic neurogenesis using a strategy of "combinatorial screening". In our study, the whole process of embryonic neurogenesis was divided into two phases, and the differentiation efficiency of seven experimental protocols in phase I and three protocols in phase II were systematically evaluated in A2lox and 129 ESCs. RESULTS In phase I differentiation, "2-day embryoid bodies formation + 6-day retinoic acid induction" (Phase I-protocol 3) could effectively induce the differentiation of ESCs into neural precursor cells (NPCs). Furthermore, in phase II, N2B27 medium II (Phase II-protocol 3) could better support the subsequent differentiation from NPCs into neurons. COMPARISON WITH EXISTING METHOD(S) Such a combinational method (phase I-protocol 3 and phase II-protocol 3) can realize embryonic neurogenesis with high efficiency, easy implementation and low-cost, and is suitable for promotion in most laboratories. CONCLUSIONS Through "combinatorial screening" strategy, we established an optimized method for embryonic neurogenesis in vitro, which is expected to be a powerful tool for neuroscience research.
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Affiliation(s)
- Yuan Li
- College of Life Science and Health, Wuhan University of Science and Technology, Wuhan, Hubei, 430065, PR China
| | - Xiang Mao
- Wuhan Centres for Disease Prevention and Control, 24# Jianghan N. Road, Wuhan, Hubei, 430015, PR China
| | - Xianyi Zhou
- College of Life Science and Health, Wuhan University of Science and Technology, Wuhan, Hubei, 430065, PR China
| | - Yuting Su
- College of Life Science and Health, Wuhan University of Science and Technology, Wuhan, Hubei, 430065, PR China
| | - Xiangyu Zhou
- College of Life Science and Health, Wuhan University of Science and Technology, Wuhan, Hubei, 430065, PR China
| | - Kaituo Shi
- College of Life Science and Health, Wuhan University of Science and Technology, Wuhan, Hubei, 430065, PR China
| | - Shasha Zhao
- College of Life Science and Health, Wuhan University of Science and Technology, Wuhan, Hubei, 430065, PR China.
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Ebrahimi A, Keske E, Mehdipour A, Ebrahimi-Kalan A, Ghorbani M. Somatic cell reprogramming as a tool for neurodegenerative diseases. Biomed Pharmacother 2019; 112:108663. [DOI: 10.1016/j.biopha.2019.108663] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 01/23/2019] [Accepted: 02/02/2019] [Indexed: 12/21/2022] Open
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Zhang L, Xue Z, Yan J, Wang J, Liu Q, Jiang H. LncRNA Riken-201 and Riken-203 modulates neural development by regulating the Sox6 through sequestering miRNAs. Cell Prolif 2019; 52:e12573. [PMID: 30667104 PMCID: PMC6536386 DOI: 10.1111/cpr.12573] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 12/04/2018] [Accepted: 12/12/2018] [Indexed: 12/13/2022] Open
Abstract
Objectives Long non‐coding RNAs (LncRNAs) play important roles in epigenetic regulatory function during the development processes. In this study, we found that through alternative splicing, LncRNA C130071C03Riken variants Riken‐201 (Riken‐201) and Riken‐203 (Riken‐203) are both expressed highly in brain, and increase gradually during neural differentiation. However, the function of Rik‐201 and Rik‐203 is unknown. Materials and methods Embryonic stem cells (ESCs); RNA sequencing; gene expression of mRNAs, LncRNAs and miRNAs; over‐expression and RNA interference of genes; flow cytometry; real‐time quantity PCR; and Western blot were used in the studies. RNA pull‐down assay and PCR were employed to detect any miRNA that attached to Rik‐201 and Rik‐203. The binding of miRNA with mRNA of Sox6 was presented by the luciferase assay. Results Repression of Rik‐201 and Rik‐203 inhibited neural differentiation from mouse embryonic stem cells. Moreover, Rik‐201 and Rik‐203 functioned as the competing endogenous RNA (ceRNA) to repress the function of miR‐96 and miR‐467a‐3p, respectively, and modulate the expression of Sox6 to further regulate neural differentiation. Knockout of the Rik‐203 and Rik‐201 induced high ratio of brain developmental retardation. Further we found that C/EBPβ might potentially activated the transcription of Rik‐201 and Rik‐203. Conclusions These findings identify the functional role of Rik‐201 and Rik‐203 in facilitating neural differentiation and further brain development, and elucidate the underlying miRNAs‐Sox6‐associated molecular mechanisms.
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Affiliation(s)
- Lei Zhang
- Department of Anesthesiology, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Center for Specialty Strategy Research of Shanghai Jiao Tong University China Hospital Development Institute, Shanghai, China
| | - Zhenyu Xue
- Department of Anesthesiology, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Center for Specialty Strategy Research of Shanghai Jiao Tong University China Hospital Development Institute, Shanghai, China
| | - Jia Yan
- Department of Anesthesiology, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Center for Specialty Strategy Research of Shanghai Jiao Tong University China Hospital Development Institute, Shanghai, China
| | - Jie Wang
- Department of Anesthesiology, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Center for Specialty Strategy Research of Shanghai Jiao Tong University China Hospital Development Institute, Shanghai, China
| | - Qidong Liu
- Anesthesia and Brain Function Research Institute, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Hong Jiang
- Department of Anesthesiology, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Center for Specialty Strategy Research of Shanghai Jiao Tong University China Hospital Development Institute, Shanghai, China
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